However, this is the only case reported till now and thus we cannot claim rooibos for liver damage. This can be due to consuming an excessive amount or if one has a particular allergy to the elderberry plant or other members of the Sambucus genus. But before you do, lets take a closer look at some of the side effects of drinking this tea. Antioxidants from the tea combat oxidative stress and reduce the risk of diseases like cancer and diabetes [9, 10, 11, 12, 13, 14, 15]. Sources: This can help to reduce and prevent abdominal pain, gas and diarrhea.. 6. This is either due to its inherent properties or due to certain physical and health-related conditions. In plain English, this means that rooibos has caused injury to the liver. Rooibos is available in tea bags or whole loose leaf you can find it both online and in stores. http://www.livestrong.com/article/149220-red-bush-tea-side-effects/, http://www.healthline.com/nutrition/rooibos-tea-benefits#section9, http://www.webmd.com/vitamins-supplements/ingredientmono-143-red%20bush%20tea.aspx?activeingredientid=143&activeingredientname=red%20bush%20tea, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4202511/, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4435260/, Miso: Nutrition Facts, Health Benefits, and Recipe, The Candida Diet: What to Eat & How It May Work, Is Corn Healthy? Therefore, it is very effective at alleviating abdominal swelling. To make tea, rooibos leaves and stems are first harvested throughout the summer months. Red rooibos tea has antispasmodic properties, which can soothe abdominal pain and stomach cramps. In both of these cases, liver enzymes normalized after the patients stopped drinking rooibos tea. The main danger to watch out for is bacterial contamination and blends with other herbs you may react to. All Rights Reserved. For instance, some people like to drink pure rooibos, and others prefer to serve it with a small amount of milk and possibly sugar. Nutrition Advance provides evidence-based food and nutrition articles. But is it entirely good for you? Basically, these symptoms can occur due to your any allergic reaction with the red bush tea or with any ingredient of this herbal tea. The tea and extract restored liver function and increased key antioxidants (glutathione, catalase, superoxide dismutase) [16, 17]. There is not enough evidence to suggest that consuming rooibos tea during pregnancy or lactation is harmful. Tannins and oxalic acid can interfere with iron absorption, worsen autoimmunity, impair nutrient digestion, and increase the risk of kidney stones. Rooibos tea benefits are due to its high content of anti-inflammatory and antioxidant compounds. In simple words you can drink 1 teabag with 8oz of hot water daily. We believe that the most accurate information is found directly in the scientific source. First and . As per PDRHealth.com, rooibos tea can cause breathing problems. Tea is a rich source of a class of compounds called tannins. Breathing Problems According to PDRHealth.com, another side effect that you may experience after taking red bush tea supplements is difficulty breathing. Tea and herbal infusions are popular beverages that potentially could benefit people with type 2 diabetes. Most of the studies into the health benefits and side effects of rooibos are carried out on animals, rather than humans, which isnt always accurate. Rooibos tea has antispasmodic effects that can help treat abdominal spasms and diarrhea. So, it is best to avoid drinking this tea or consult your doctor before doing so. During fermentation, green leaves turn a deep red color. Flavonoids from red rooibos (aspalathin and luteolin) reduced inflammation in cells and animals with liver damage, multiple sclerosis, limb injury, and heart damage caused by toxins [17, 47, 48, 49, 50, 51, 52]. After two weeks of treatment, he was discharged and showed continuous improvement in liver function over the next few weeks. If you feel that any of our content is inaccurate, out-of-date, or otherwise questionable, please leave a comment or contact us at [emailprotected]. We take a closer look at rooibos tea, examining what it is, what nutritional benefits it has, and importantly what side effects can occur when you drink it. For example, clinical trials show that drinking tea with a meal reduces iron absorption compared to eating a meal alongside water (19). Rooted in South African culture, generations have been using rooibos as a remedy for insomnia, allergies, and gut problems. Our science team is put through the strictest vetting process in the health industry and we often reject applicants who have written articles for many of the largest health websites that are deemed trustworthy. True teas, such as green, and black tea, may have beneficial effects for a . How. There are also many claims of health benefits, but which of these are supported by science? The anti-spasmodic and anti-inflammatory nature of the tea soothes the digestive tract. At the moment, no research is available that focuses on the long-term effects or side-effects of red bush tea consumption. Rooibos tea is made from the stem and leaves of Aspalathus linearis shrub. This makes it a good choice for drinking a liquid that warms you from the inside, thus producing relaxation and a bit of lethargy. If you are looking to purchase rooibos tea, it is important to choose a safe and reliable source. You must consult your doctor before acting on any content on this website, especially if you are pregnant, nursing, taking medication, or have a medical condition. It is also worth noting that the American Pregnancy Association recommend no more than 200 mg of caffeine per day (8). Our recommendation? Home > Food Facts > Tea > Rooibos Tea Side Effects & How Much Should You Drink? Drinking rooibos tea did not interfere with iron absorption in healthy young men. Your email address will not be published. Side Effects of Rooibos Tea Some people may experience side effects after drinking red bush tea. Stressbuster. These side effects can be the result of allergy either due to rooibos tea or to the ingredients of the tea. Youd need to drink a lot of tea to notice the effects, however. It prevents type 2 diabetes and provides relief to diabetic people from symptoms such as decreased plasma glucose levels, increased insulin secretion and excessive thirst (polydipsia). First, Rooibos is a very pleasant flavor and is very easy to drink. The table below shows the mean iron absorption when consuming iron alongside either green tea, rooibos, or water (22); As shown, rooibos only had a small inhibitory effect upon iron absorption. Hepatotoxicity This is the medical term for damage to the liver caused by a medicine, chemical, or herbal or dietary supplement. Read Also:Benefits of Green Tea Drink Up to Quit Smoking. Tea Not Tincture: Hepatotoxicity Associated with Rooibos Herbal Tea Published online October 8, 2013; FoodsForBetterHealth. find more information on honeybush tea here, Decreased LDL cholesterol and triglyceride levels, Led to significant decreases in markers of oxidative stress, Increased total polyphenol levels in the blood. How Shrunken Glands Might Lead You To Need A Breast Lift? The presence of flavonoids such as quercetin, luteolin, and others are thought to be the reasons for the beneficial effects on the GI system. Similar to breathing problems, skin irritation can also be the allergic reaction to the rooibos tea itself or any of the flavorings this herbal beverage contains. Rooibos contains high amounts of antioxidants which can aid in boosting immunity, provide relief from allergies, support digestion, soothe problem skin, relieve stress and help maintain a healthy weight. As in the study, the patient was consuming it for almost four weeks before he had to visit the medical room. They act as a defense mechanism against oxidative stress that causes free radical damage in the body. Rooibos Tea 5 Health Benefits, Side Effects and More, Authority Nutrition; http://www.healthline.com/nutrition/rooibos-tea-benefits#section9, last accessed August 28, 2017 However, if you are pregnant, always talk to your doctor before introducing new foods and supplements to your diet. Generally, 200 mg of caffeine would mean a maximum of one cup of coffee, so rooibos may be a good caffeine-free alternative during pregnancy. It has an earthy, herbal-like taste, similar to green tea but not as astringent. Its main antioxidants belong to the large family of polyphenols, including all the following [5, 6]: One cup (150-200 mL) of rooibos tea will give you up to 80 mg of polyphenols. The best known health benefit of rooibos tea (pronounced 'roy boss') is that it is naturally caffeine-free. The rooibos plant is native to South Africa. Nutrition Facts and Benefits of Corn, Apricot: Nutrition Facts, Health Benefits, and Recipe, 12 Filling Foods That Are Also Good for You, Flat Tummy Water: Benefits, Side Effects & Nutrition Facts, Plantain vs. Banana: Difference in Nutrition and Health Benefits, Is it Wise to Drink Lemon Water before Bed? . Salmonella is one of the leading causes of food poisoning and causes symptoms like fever, stomach cramps, diarrhea, nausea, and vomiting [59]. Firstly, rooibos does provide several essential minerals, but these are only available in low amounts equal to less than 1% of the recommended intake. We can find tannins in various foods, and tea and wine contain particularly high amounts (17). Stay with me to stay inspired with what I usually do :), If you are sugar addict then this post will help you to know that how many grams of, You might have thought about having a breast lift, but you probably do not know why you need, Creating small to large masterpieces from using wood is simply an art and this art is known as, Fitness instructors tend to say that if you lose weight fast its neither healthy nor permanent, and if. Tea Not Tincture: Hepatotoxicity Associated with Rooibos Herbal Tea Published online October 8, 2013; https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4435260/, last accessed August 28, 2017. Copyright 2022 - FoodsForBetterHealth. Well, rooibos tea dose actually depends on many things such as users health, age, and several other conditions. A cup of this infusion is suitable for relief from nausea, vomiting, diarrhea, constipation, and any other stomach discomfort. We promise not to spam you. In conclusion, there are not many negative Rooibos side effects. The name rooibos means "red bush" in Afrikaans, and rooibos tea is also called African red tea, bush tea, or red bush tea. Over consumption can make you more susceptible to aforementioned side effects of red bush tea. However, it is worth noting that rooibos tea comes in two distinct forms; green and red. It very slightly lowers your iron intake. Traditionally, rooibos tea has been used as an aid to help with stomach discomfort and colicky pain in babies. Compounds like orientin, quercetin, and vitexin found in rooibos help in relaxing the digestive system and also relieve the feelings of discomfort. For such people, rooibos could be an excellent alternative to tea or coffee. It is more like a trial and error to know if you face any special symptoms. While there are no supporting studies, some people have reported experiencing rooibos tea side effects involving skin and breathing problems after taking the tea. Interestingly, the effect of red rooibos extract on blood sugar levels was comparable to the widely-used anti-diabetic drug metformin [40, 41]. Drink your rooibos in moderation and relax without worrying about the side effects. It means, replacing your regular tea with rooibos tea neither will affect iron absorption nor cause iron deficiency. Rooibos tea is not well-known by the general public for its antimicrobial activity, but there have been some studies confirming the inhibitory effects of rooibos against certain micro-organisms, such as Escherichia coli, Staphylococcus aureus, Bacillus cereus, Listeria monocytogenes, Streptococcus mutans and Candida albicans (Nakano et al., 1997, Schepers, 2001, Almajano et al., 2008, Coetzee . However, there are a few things worth mentioning: Large doses of rooibos tea are not recommended for people with hormone-sensitive diseases (e.g. While first cultivated as a crop in the 1930s, rooibos is now exported to over 31 countries around the globe [1]. Oxidative stress is one of the root causes of chronic disease and inflammation [8]. This may occur as a result of excess intake or allergic reactions. Unfortunately, the original indigenous name of rooibos . In case he had noticed any of the symptoms and stopped consumption, maybe the ER visit could have been avoided and a meeting with the medical practitioner would have helped instead. However, it is important to note that studies using cells outside of living organisms and studies in rats are not equal to research using human participants. Found in nutrient-dense foods, antinutrients block the absorption of vitamins and minerals. Also, this drink is anti-inflammatory. Surprisingly, rooibos tea does not contain any vitamins and minerals, but very high in antioxidants. The anti-inflammatory properties of this tea are useful in reducing pain and diarrhea; as seen in Crohn's disease (inflammation in the gastrointestinal tract). Phenolic acids: caffeic acid, syringic acid, ferulic acid, and vanillic acid, Add a teaspoon of the leaves directly to a cup of water and boil together for 10-15 minutes, Alternatively, pour a cup of hot water over 1 teaspoonful of dried leaves and allow it to steep for 7-10 minutes and strain, Start with a healthy SCOBY brewed from black tea, Brew rooibos: add 4 tbsp. which enables users to obtain detailed information and reports based on their genome. Receive notification each time we publish a new article, and get exclusive guides direct to your inbox. For instance, the respected Memorial Sloan Kettering Cancer Center notes that patients with hormone-sensitive cancers should use caution before taking rooibos (32). One cup of rooibos tea contains: Calories: 0 Protein: 0 grams Fat: 0 grams Carbohydrates:. Antioxidants prevent free radical damage, improving the health and functionality of the cells. I like buying the loose organic rooibos from a health store, but I think pure rooibos in tea bags would be fine too. The warm, rounded, nutty, sweet and often rich flavor of rooibos tea makes it a great choice for herbal blends and caffeine-free teas. ACG Case Rep J. Potential Side Effects of Rooibos Tea. For men, high levels of estrogen can cause erectile dysfunction and a range of other complications. If youre not sensitive to caffeine, mix kombucha and rooibos half and half to stay on the safe side. According to researchers, this estrogenic activity is a result of several flavonoid compounds that rooibos contains, including luteolin and orientin (30, 31). The case showed that the patient had a toxin-related injury to the liver after consuming rooibos tea for about a month. Here are 9 possible side effects of drinking too much tea. 2013 Oct; 1(1): 5860. Red rooibos tea contains phytoestrogens (isovitexin, luteolin-7-glucoside, and nothofagin). 3. Excessive consumption can damage your liver. Currently, there are no reports of significant side effects or toxicity with rooibos tea. You can unsubscribe at any time. Information is shared for educational purposes only. A woman who consumed 1L of rooibos tea for 10 days had symptoms of liver toxicity: elevated liver enzymes (ALT, GGT, and ASP) and fatty liver [56]. Over 300 years ago, the indigenous people of South Africas Western Cape were collecting wild growing shrubs and using it to make tea. 3.47 to 27.93. Tea drinkers also had higher HDL (good) and reduced LDL (bad) cholesterol [34]. You May Also Like:Is Rooibos Tea Safe to Drink During Pregnancy? Be the first to rate this post. Benefits of this herbal tea include: helping to improve heart health, manage diabetes, aid in digestion, support strong bones, help you lose weight and achieve satiety, treat allergies, and keep your skin and hair young. In general, rooibos tea is considered safe and it has no notable side effects. but is for informational and educational purposes alone. Furthermore, if youre patient and stick with us, well also explain how much tea youd need to drink to experience these side effects and why its unlikely youll suffer from just one cup! 5.85. As a kid, he suffered from inflammation, brain fog, fatigue, digestive problems, anxiety, depression, and other issues that were poorly understood in both conventional and alternative medicine. It even cures intestinal ulcer, treats colon inflammation and counteracts nausea, acid reflux, colic pain, flatulence, bloating, diarrhea and irregular bowel movement. Kombucha is usually made from black tea, sugar, and a starter culture (SCOBY). (adsbygoogle = window.adsbygoogle || []).push({}); https://www.foodsforbetterhealth.com/side-effects-of-rooibos-tea-37178. Red rooibos is a popular cosmetic ingredient in products that promise to fight aging and keep acne at bay. Tea from dried, unfermented rooibos leaves is green in color. The human body is often lacks . It is safe for infants and has been shown to help children cope with constant cramps. On the positive side, rooibos tea does not contain oxalic acid, so it is a suitable tea for low-oxalate diets. (Reference: 5 Health Benefits of Rooibos Tea (Plus Side Effects), Healthline, Retrieved on 07 June 2022) It helps in digestive processes. Firstly, rooibos contains no caffeine (3). These breathing issues may present themselves in the form of chest pain, chest tightness, shortness of breath, or swollen chest according to the website. These protective plant compounds may help protect against the free radical damage that leads to conditions like diabetes, heart disease and potentially cancer. There are a few reported cases of hepatotoxicity (liver damage from chemicals) in people who drink excessive amounts of rooibos tea. 1. Engels, M., et al., Tea Not Tincture: Hepatotoxicity Associated with Rooibos Herbal Tea, ACG Case Reports Journal, October 2013; 1(1): 5860. An increase in estrogen can also lift your mood by increasing levels of serotonin, so this side effect isnt all doom and gloom! Generally speaking, these low-oxalate diets are prescribed to patients with kidney stones or those at risk of stone recurrence. In recent years, the naturally caffeine-free rooibos tea has become a favorite among tea-lovers worldwide. What affects animals may not necessarily affect us in the same way. More research is needed to find out exactly how much better (or worse) rooibos tea is for you compared to a classic tea. Overall, there are a limited number of human trials on the effects of rooibos. Oxalates (oxalic acid) are a type of anti-nutrient found in certain plant foods. Yeast and bacteria require sugar and tea nutrients like caffeine to multiply and grow. It might affect you or it might not. According to two reported cases, drinking rooibos might be toxic to the liver. If you have or had either, check with your doctor before trying rooibos tea. 99 sold. All rights reserved. . A green version of the unfermented tea is also available that has a more grass-like flavor. So, it is best to avoid drinking this tea or consult your doctor before doing so. The results found that in 40 participants who completed the study, this large intake of rooibos (23); Studies suggest that a lower ratio of non-HDL to HDL and triglycerides to HDL are both associated with reduced cardiovascular risk (24, 25). In actuality, red rooibos contains little of either, and its skin-boosting properties are most likely due to high antioxidant levels [27]. How much tea you should drink depends on your diet, lifestyle, and needs. ALSO READ: Side effects of Rooibos Tea Side Effects of Magnesium Malate Taking this supplement is usually considered safe, but it can have the following side effects: abdominal cramping; vomiting; nausea; stomach upset. Our goal is to not have a single piece of inaccurate information on this website. Long-term use of rooibos tea may reduce the risk of developing diseases caused by inflammation. He was found to be jaundiced but without a fever. The tea, being devoid of caffeine and tannin does have a number of benefits; however, the side effects tend to be more damaging and immediate than the overall benefits. Rooibos Tea Side Effects & How Much Should You Drink? For most people, that doesnt matter in the slightest, however excess estrogen can be a problem for people with breast cancer or hormone-related diseases/conditions. Rooibos is caffeine-free and rich in antioxidants. Numerous claims of red rooibos enhancing skin health mention its vitamin C and zinc content. Non-Alcoholic Drinks; Tea & Infusions; Coffee; Energy & Fitness Drinks; Soft Drinks; Hot Chocolate & Malted Drinks; . Polyphenols in the red rooibos tea might prevent fat cell buildup in two ways [42]: However, in the lack of clinical evidence, rooibos tea cant be recommended as an effective complementary approach to weight loss. In one study on the efficiency of iron absorption after drinking tea, scientists found that rooibos (just like the classic, caffeinated tea) can reduce the amount of iron your body absorbs. Therefore, this tea helps in relaxing the body and induces sleep. While tannins may have various benefits, they can also bind the minerals zinc and iron. Breathing can be one of the major problems caused due to the over dose of rooibos tea. A moderate amount consumed regularly can benefit your health, but dont be afraid to shake up your routine with other types of teas, drinks, and foods. However, most of these health claims lack scientific evidence and some side effects have been reported, although more research is required to prove those as well. Native only to South Africa, rooibos is made of over 200 varieties that carry green needle-shaped leaves and bloom small yellow flowers [2]. For more caffeine-free tea options, rose tea may be worth a look. In diabetic animals, aspalathin-rich rooibos extract reduced blood sugar levels and improved insulin sensitivity. We drink Rooibos equally as often, among Afrikaans people even more often than English/Ceylon tea (usually with milk and sugar, also delicious without milk and a bit of honey). Potential Side Effects In general, rooibos is very. We know that tannins can reduce blood pressure and have other beneficial effects on your body. In 2011 a study was conducted where participants at risk from cardiovascular disease supped six cups of rooibos tea daily for 6 weeks. While the absolute effect on estrogen production is only small, it may be an important consideration for individuals with hormone-sensitive illnesses. Green rooibos has additional benefits, such as Aspalathin antioxidants that can reduce vascular inflammation in diabetics. Our science team must pass long technical science tests, difficult logical reasoning and reading comprehension tests. In animal studies, rooibos tea alleviated symptoms of colitis, reducing gut spasms and diarrhea [ 53, 54 ]. Very rare side effects include: blurred or double vision; fainting; slow heartbeat; dizziness ; troubled breathing; flushing; Try pure rooibos tea and see if you get the same problem. 2. People named it rooibos, which means the red bush in Afrikaans [1]. The polyphenolic compound present removes the free radicals from our body and prevents skin and ovarian cancer. The point is, that too much caffeine during a short period of time will not make you feel good. Note that each number in parentheses [1, 2, 3, etc.] When it comes to pregnancy and drinking red tea, the only concern is the passing supplement to the unborn child in the uterus. Reduce vascular inflammation in diabetics. Dish for Diet is an outcome of my passion for fitness. Additionally, rooibos extracts have displayed protective activity against oxidative stress in rat studies (13, 14). The leaves are left to dry in open fields under the sun. This same study demonstrates that tannins in rooibos tea have the potential to reduce symptoms of diarrhea (7). Steps to Making Rooibos Tea. It is advisable that green tea and regular tea be consumed in limited quantities than experimenting with this herbal tea, which may cause medical emergencies if consumed by those allergic to its ingredients. Joe Cohen won the genetic lottery of bad genes. If youve ever tried it, youll know its delicious! Pregnant women can enjoy rooibos tea as it is high in beneficial compounds and caffeine-free. Stick to one or two cups a day. Summary. Meanwhile, rooibos is actually "the only known natural source of aspalathin, according to the American Botanical Council.. 2. ACG Case Rep J. You might have seen rooibos tea at the grocery store or heard about it from a caffeine-free friend. Allow the tea leaves to steep for 4-5 minutes. 6 health benefits of rooibos. Hepatotoxicity In 2010, there was a report about a patient who developed hepatotoxicity after drinking red tea. This is major because of the compound quercetin in rooibos tea. Required fields are marked *. Side Effects Of Rooibos Tea (Or Red Bush Tea) Iron Absorption . In a cup of red rooibos tea, youll have: Rooibos can also help you to burn off fat quicker and prevent new fat cells from growing. I have started this diet and fitness blog to share my experience and thoughts about diet, fitness, and nutrition. Although it is difficult to describe the flavor accurately, rooibos has a fruity, nutty, floral, and slightly sweet taste. In cell and animal experiments, aspalathin, a flavonoid found only in rooibos tea, showed promising weight loss potential [42]. Bear in mind that it could be something else in your tea, like the milk or sweetener you used, thats caused the reaction. If a slightly milder and sweeter tea sounds interesting, you can find more information on honeybush tea here. People also use it for weight loss and digestive issues, but theres no clinical research to back this up. Rooibos tea contains chrysoeriol and other flavonoids that may have positive cardiovascular effects, such as by helping to decrease blood pressure and improving blood circulation. DOI:10.14309/crj.2013.20, last accessed August 28, 2017. Pregnant women and those suffering from hormone disorders should avoid drinking rooibos tea. This will keep your SCOBY healthy and strong enough to turn caffeine-free rooibos into kombucha. Specifically, rooibos contains large amounts of the following flavonoids (10); Various cell (test tube) and animal studies suggest that these compounds may have health benefits. The surge in its popularity in the West is not without a reason: research reveals rooibos may protect the heart, lower blood sugar, and improve skin health. Rooibos tea being rich in antioxidants helps the body fight free radicals. You may find that having a cup of this red tea during periods of gastrointestinal distress can relieve symptoms of diarrhea and other intestinal issues. Some people claim it helps with their allergies too, but we cant find any evidence of this! Try settling it with a cup of Rooibos tea. If you want to buy rooibos tea, make sure you get it from a secure and reputable source. An optimal dosage of this tea should be limited to a cup brewed from about 750mg of rooibos leaves, consumed once or twice along with meals. Drinking rooibos tea benefits the digestive system by reducing diarrhea, calming muscle spasms in the stomach, and decreasing gastric secretions. You will be able to reduce stomach issues and indigestion if you take rooibos tea. A person can experience different symptoms after drinking red tea such as; pain in chest, chest tightness, shortness of breath, or swollen chest. Side Refine Panel. This tea helps relieve restlessness, tension, feelings of anxiety, migraine, tension headache and insomnia. However, since these minerals are only present in trace amounts, rooibos should not be seen as a good source of nutrients. Rooibos is a sweeter tea so you will use less sugar, which make it even healthier. The health benefits from drinking Rooibos tea will also be different for every person depending on that persons overall health status. Pour 8 ounces of water into a teapot and allow it to reach a rolling boil. Rooibos tea is known to help alleviate high blood pressure and prevent heart failures. Rooibos tea is low both in tannins and oxalic acid [21, 22, 23, 24, 25]. We are dedicated to providing the most scientifically valid, unbiased, and comprehensive information on any given topic. Be careful when going for this drink. There have been reports of it causing rashes, swollen skin and itchiness in those who're unknowingly allergic to its topical use. Just like tea, the needle-like leaves are picked, oxidized and fired to create red rooibos. Is Rooibos Tea Safe to Drink During Pregnancy? . In brief, very little research done over this South African tea but no major health issues reported till now. Helps to relieve stress and anxiety Rooibos tea also helps to relieve nervous tension due to the presence of magnesium, zinc and iron. Rooibos Tea Side Effects and the Right Dosage, Itchy Mole When You Need to Worry About Moles that Itch, Truck Driver Workout Ideas to Stay Fit on the Road, How to Make Your Period Come Faster: Home Remedies and Lifestyle Changes. As per the research, iron absorption rate of rooibos tea was 7.25%, regular tea 1.70% and water 9.34%. You May Also Like:Where to Buy Rooibos Tea. Overall, rooibos is very healthy for you. Rooibos tea health benefits may include: better digestion hydration cancer prevention heart attack and stroke prevention heart health lower cholesterol levels manage and prevent diabetes weight loss Rooibos tea is Alkaline 9.0 pH level once digested Gluten Free Not a common Food Allergen Caffeine free Environment Traditional Benefits Lacking Evidence Many health claims about rooibos are based only on anecdotal evidence. While this sounds scary, there are only two reported case studies, and millions of people have drunk rooibos without issues. Hope you feel better soon. Balance is the key to health, so only drinking rooibos all day every day will be detrimental to your health no matter how healthy and beneficial rooibos tea is. That said, red rooibos tea contains miniscule amounts of phytoestrogens and no hormonal side effects have been reported. Before you attempt to make rooibos kombucha, make at least 4 batches of kombucha with black, caffeine-rich tea. Rooibos antioxidants might also enhance your brain health. A small study reported that rooibos tea inhibited ACE activity 30-60 minutes after consumption. According to PDRHealth.com, a person can experience different types of skin irritation such as rashes, redness, skin hives, and skin patches. Maybe it was the fruit. Rooibos Tea side effects also extend, in the rarest of cases, to the skin. 2) Low in Antinutrients (Oxalic Acid and Tannins), Animal and Cellular Research (Lacking Evidence), Rooibos Kombucha: A Combo with Added Benefits. Second, Rooibos both blends in and partly masks many of the ingredients found in bedtime teas. Seek medical help immediately and avoid rooibos teas altogether in the future. Ayeleso, A.O., et al., Effects of Red Palm Oil and Rooibos on Sperm Motility Parameters in Streptozotocin-Induced Diabetic Rats, African Journal of Traditional, Complementary and Alternative Medicines, 2014; 11(5): 8-15. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4202511/, last accessed August 28, 2017. There are claims that rooibos contains many different minerals, but how true is this? Some research indicates that this tea could be beneficial for pregnant women because of its antioxidative properties, but more research is required. The authors wrote that although liver toxicity has rarely been reported, a South African doctor . Rooibos tea contains various nutrients that are antispasmodic and help in preventing stomachaches. Get notified of new articles and receive useful guides direct to your inbox. If you're allergic to rooibos, you might notice itching, discomfort in your stomach, difficulty breathing, trouble swallowing and swelling wherever the tea came into contact with your body. This recipe uses 1 gallon of tea (~3.3L), but you can adjust it to your needs and jar size. This promotes colon contractions and bowel movements. Oolong tea comes with dual benefits of both the green and black tea, hence the health benefits are twofold. Due to the various compounds it contains (or doesnt contain), rooibos tea may have several benefits. How Woodworking Keeps you Fit Mentally and Physically. See also: How to Prevent Diarrhea. Rooibos Tea Side Effects. Hey All, this is Nyk father of two kids. Its very rare to have an allergic reaction to rooibos, but if you do experience one you should take it seriously! It can cause the following side effects: Nausea, diarrhea, and vomiting. If youre anemic, then consuming a lot of rooibos tea regularly after your meal could cause you some problems but compared to black or green tea, its not noticeable and nothing you should worry about. All of our content is written by scientists and people with a strong science background. Besides it, we should not always consider natural products as safe and thus we need to consume it in limit. The next step is to either ferment or dry it, which will create two distinct types of rooibos tea [1]. Below is a summary of the existing animal and cell-based research, which should guide further investigational efforts. White Tea Animals that consumed these polyphenols had more flexible and less inflamed blood vessels [37, 38]. Rooibos tea is an herbal tea thats completely unrelated to classic, caffeinated tea from the tea plant. It can ease symptoms of colds and flu by relieving headache and reducing fever. Generally speaking, people enjoy rooibos tea in the same way as people drink black tea. In a clinical study, people who drank rooibos tea instead of water after a meal had lower blood sugar. If youre allergic to rooibos, you might notice itching, discomfort in your stomach, difficulty breathing, trouble swallowing and swelling wherever the tea came into contact with your body. You can also find green rooibos which is less processed, just like green tea. 2015-2022 Dish for Diet. It is also known that rooibos tea has got potential to reduce several symptoms of diarrhea. Your email address will not be published. After cutting, fermenting, and sun-drying the plant, they brewed it into a deep-red, sweet-tasting drink. The most notable is its ability to control metabolism and reduce obesity. Our team comprises of trained MDs, PhDs, pharmacists, qualified scientists, and certified health and wellness specialists. Rooibos tea, a rich source of flavonoids, may support heart health by [33]: Drinking rooibos tea daily for 6 weeks in 40 adults at risk for heart disease significantly increased flavonoid levels in the blood and upped the antioxidant glutathione. In rats with poor brain blood flow, rooibos tea limited brain cell death and lessened anxiety by lowering oxidative stress [18]. Oolong Tea Health Benefits, Uses And Its Side Effects. Rooibos tea is available in two different forms red rooibos tea and green rooibos tea (This is an un-oxidized form). Furthermore, case report studies even demonstrate that excessiveamounts of green tea may lead to iron deficiency (20). In addition to the benefits of rooibos, there are one or two concerns and potential side effects of drinking the tea. In other words; consuming a source of tannin alongside food containing iron and zinc may affect the bioavailabilitythe amount we absorbof these two minerals (18). The main nutritional benefit of rooibos tea lies in its rich antioxidant content and it being a source of some unique polyphenols, including aspalathin. On top of that, youd need to drink liters of rooibos tea every single day for long-lasting health damage. Its hard to make conclusions based on individual case reports, but caution is warranted. I am not an expert but an enthusiast trying to follow a healthy lifestyle. If you are diagnosed with any liver condition, then it is very essential to take medical advice before incorporating rooibos tea in your diet. Senna tea is most commonly used for occasional constipation. Rooibos Tea promotes Blood Circulation Instead, rooibos is a type of herbal tea. Just A Taste is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. To make rooibos tea, the leaves of the plant undergo an oxidation (fermentation) process. Rooibos tea comes from the leaves of a shrub called Aspalathus linearis, mainly found on the western coast of South Africa. It contains tannins, just like black tea, which gives it a familiar, comforting flavor. Before we start drawing our own opinions about this supposedly wonderful drink, we need to look at certain factors that may make it unsuitable to consume. tea leaves to 1 gallon of water, Place SCOBY in your glass jar and add warm (NOT hot) rooibos tea, Cover with a cloth and store in a dark, warm place, Strain (with a coffee filter or cheesecloth). In this study, a relatively large amount of rooibossix cups per day for six weekshad a beneficial impact. Health Benefits and Side Effects, Top 20 Antihistamine Foods that Help Fight Inflammation. Fonseca, A., Red Bush Tea Side Effects, LIVESTRONG, July 2, 2015; http://www.livestrong.com/article/149220-red-bush-tea-side-effects/, last accessed August 28, 2017. Reduced iron absorption. If you want to supercharge the benefits of red rooibos, try making rooibos kombucha. If you consume an excessive amount of yerba mate tea, it is possible to get unpleasant side effects. Unrelated to its green and black varieties in any way, the process to make traditional rooibos tea involves fermentation, which gives it the characteristic red-brown color. Although the side effects of rooibos can be quite significant for some people, you really shouldnt worry about it! It also aids healthy liver, teeth with a relatively low level of caffeine. Tea and coffee are very high in oxalate, and they are both significant contributors to average dietary oxalate intake (15). Print Remind Me Notify Moderator Rooibos also contains a high number of antioxidants maybe even more than green tea! Drinking rooibos tea before going to bed helps in reducing tension and also helps in inducing proper sleep. While caffeine can have various benefits such as enhancing focus, it can also have adverse effects on some individuals. Simply pour hot water over and let it steep for 10-15 minutes before taking the teabags out. There are many health websites claiming Rooibos tea for iron absorption, but these assertions are baseless. Rooibos has a light flavor, and it does not have the same bitter notes as green and black tea because it contains fewer tannins (3). For more on herbal tea, see this review of chaga mushroom tea. Red rooibos tea might help combat inflammation and pain by inhibiting the following pathways: Clinical studies are needed to confirm this benefit. Consuming it more than the said quantity can lead to side effects mentioned earlier. Dragonfly Tea Rooibos Vanilla - 40 Tea Bags. How Many Grams of Sugar Per Day is Recommended for Health? An October 2013 case study published in the ACG Case Reports Journal provides an account of liver toxicity associated with rooibos tea. Its possible to make kombucha just with rooibos tea, but have in mind that your SCOBY might grow slower and your brew will be less strong. Antioxidants are vital for good health. The green version does not undergo an oxidation process, but it is more challenging to produce and has a strong bitter taste (2). For this reason, rooibos may be a better alternative to green and black tea for those concerned about iron status. In animal studies, rooibos tea alleviated symptoms of colitis, reducing gut spasms and diarrhea [53, 54]. Drinking red rooibos tea significantly increases blood antioxidant levels. Rooibos also reduced their insulin, total, and LDL cholesterol levels while increasing antioxidants [39]. Research shows that in rare cases, rooibos tea has had a hepatoxic effect. Biosci Biotechnol Biochem 2001;65(10):2137-2145.The following are some of the reported risks and side effects of Rooibos tea that you should be aware of: There Is . However, there is no well researched information about the adverse effects is reported as of June 2010. Rooibos tea comes from the dried leaves of the rooibos plant, also known by the scientific name of Aspalathus Linearis (1). Throughout generations, the natives of South Africa have used red rooibos for insomnia, anxiety, allergies, asthma, colic in infants, and lack of appetite [3, 4]. Unfermented green rooibos extract enhanced weight loss in animals; it also reduced blood cholesterol and triglycerides and prevented fat buildup in the liver [43]. It is a caffeine-free herbal infusion made from dried needles of Aspalathus linearis, a plant found in South Africa. In 2010, one 52 years old patient was reported with hepatotoxicity after having rooibos for months. There are however a few known side effects, like the . SelfDecode is a personalized health report service, Although it is hard to think that a tea may present side-effects, the key to all things is moderation. Animals that consumed these polyphenols had more flexible and less inflamed blood vessels [37, 38]. Rooibos is a healthy drink thats only dangerous to you in excessive amounts. There are also studies that show that rooibos can be used as a natural pain killer. There is not enough evidence to suggest that consuming rooibos tea during pregnancy or lactation is harmful. Stir well and filter to the serving cup. But on the flip side, some studies show how rooibos tea can promote your liver enzymes and even treat existing liver damage (albeit that study was conducted on rats). 2. Thats the good stuff out of the way. Comment * document.getElementById("comment").setAttribute( "id", "ae3b175c392dc953edfa9369257c8294" );document.getElementById("a6cbe26769").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. They can protect it from UV-rays, reduce premature aging, and they may even halt the development of skin cancer [28]. Tannin, also known as tannic acid, is a type of polyphenol with a strong, bitter taste. Remove the water pot from the stove and pour the water into a cup and add 1 teaspoon of Rooibos tea leaves. SelfHacked has the strictest sourcing guidelines in the health industry and we almost exclusively link to medically peer-reviewed studies, usually on PubMed. This South African beverage contains little amount of tannin and no caffeine. Intake of white tea also helps in healthy weight loss by burning fat. Its all about consuming a healthy amount of tea and not going overboard with it. However, the studies listed below should not be interpreted as supportive of any health benefit. This simply means that they can increase the levels of estrogen in your body. Rooibos Tea Side Effects Despite its many potential benefits, some rooibos tea side effects are worth mentioning. Is Rooibos Tea Good For You While the studies showing the benefits rooibos has on allergies are still few, there is research that shows promising results. Last Updated on December 13, 2021 by Michael Joseph. Rooibos is a rich source of polyphenols, which are bioactive compounds that may have benefits for human health (9). SelfDecode does not treat, diagnose or cure any conditions, People who have ulcers will also benefit from it. The tea intake was immediately stopped and after a couple of weeks, the patient was found to have a normal liver function. This means that drinking a soothing cup of Rooibos can calm stomach cramps, abdominal pain, and relieve digestive upset. Fermentation gives the tea a strong sweet and fruity taste with a rich, nutty-like smell. Some research indicates that this tea could be beneficial for pregnant women because of its antioxidative properties, but more research is required. The antioxidants and tannins in rooibos have the same benefits as tea, so you can still enjoy the health benefits while changing the flavor of your daily drink. They are continually monitored by our internal peer-review process and if we see anyone making material science errors, we don't let them write for us again. This makes rooibos a great choice for people who want to limit caffeine intake or avoid its stimulating effects [3]. Rooibos tea also has beneficial effects for the immune system. Rooibos tea is closely related to honeybush tea, and they are both forms of red tea. Regular intake of flavonoids is linked to better heart health and lower rates of heart disease [32]. All rights reserved. Rooibos is a herbal bush, meaning red bush, that grows in South Africa. In cells and animal studies, rooibos extract promoted wound healing and prevented skin tumor growth in 60% of the cases [30, 31]. This is why its a popular alternative to classic teas for people who want to avoid caffeine. Its pleasant taste coupled with its health benefits triggered a surge in its popularity and a huge export boom. If you have never made kombucha before, make sure youre familiar with the basics first. 3. Try green teas, black teas, and other herbal teas when you get sick of rooibos or just to switch things up. No votes so far! Shop by category. However, rooibos contains minimal amounts of tannins compared to traditional tea drinks (21). Constipation. While not a replacement for advanced allergy treatments such an inhaled corticosteroids and high doses of antihistamines, drinking a few cups of rooibos tea every day can limit your body's over-reactive immune response that triggers allergies. Rooibos teais caffeine-free, rich in antioxidants, and touted to provide numerous health benefits. Lastly, regular consumption of rooibos tea can help to improve the look and health of our skin and hair. Rooibos has many antioxidants that prevent free radical damage and reduce the risk of heart disease. Some say as many as 6 cups, while others say as much as you can drink! https://www.foodsforbetterhealth.com/wp-content/uploads/2017/08/Frisch_aufgebrhter_Rooibos-150x100.jpg. Basically, these symptoms can occur due to your any allergic reaction with the red bush tea or with any ingredient of this herbal tea. If youre a DIY person, consider adding some rooibos tea to your next kombucha batch to supercharge the benefits. What is too much, really depends on a person. Lets see how beneficial this tea really is and how much of it can you drink safely. Rooibos Tea aside been refreshing comes with amazing health benefits that includes supporting healthy heart, preventing cancer, managing and preventing diabetes, supporting healthy digestion, fighting inflammation, promoting stronger bones, supporting weight loss, slowing down ageing process, treating blood pressure, supporting healthy skin, fighting dandruff and supporting kidney health. Black and green teas are a source of two antinutrients: tannins and oxalic acid. Align your health hacks with your genes for optimal health & cognitive function. Tannins can bind to iron in certain foods . Rooibos Tea Side Effects The Memorial Sloan Kettering Cancer Center reports that rooibos may cause liver damage. 5 They work by irritating the lining of the colon. Rooibos tea also lowered blood pressure and protected the heart in rats [35, 36]. The side effects of elderberry tea may be mainly gastrointestinal in nature, resulting in nausea, vomiting, and diarrhea. You can drink this tea without worry because it has only good things to offer you. Benefits of Green Tea Drink Up to Quit Smoking. Rooibos (Aspalathus linearis), pronounced "ROY-boss" or "ROY-bows," is a South African plant, the leaves of which make a red-colored, herbal tea or tisane. It can reduce blood sugar, protect the heart, improve skin health, and more. breast cancer) because it can increase the production of estrogen. Researchers have found that the active compounds in senna have a strong laxative effect. Red Bush Tea, WebMD;http://www.webmd.com/vitamins-supplements/ingredientmono-143-red%20bush%20tea.aspx?activeingredientid=143&activeingredientname=red%20bush%20tea, last accessed August 28, 2017. Both varieties are naturally caffeine-free. Traditional black or green tea is made from the camelia sinensis plant which contains caffeine. It can present itself in the form of chest pain, shortness of breath, swollen chest and chest tightness. After performing several medical tests and confirming his condition, it was concluded that the jaundice and hepatitis were due to injury caused by the consumption of herbal tearooibos tea. We do not aim to diagnose, treat, cure or prevent any illness or disease. Lets take a closer look at the various side effects of rooibos tea. is a clickable link to peer-reviewed scientific studies. In a clinical trial, applying a cosmetic mixture made out of black tea and red rooibos for a month reduced wrinkles by 10% [29]. In essence, rooibos tea works as an antihistamine, without the drowsy side effects that come along with many of similar medications. Red rooibos tea may help lower high blood sugar levels. Otherwise known as redbush tea or just red tea, the drink is famous around the world. The high cardiovascular benefits of this tea have a lot to do with how it decreases the activities of the angiotensin l-converting enzyme, the agent that causes a range of heart diseases. Overall, rooibos tea is a delicious and refreshing herbal tea, but we should probably think of any benefits as a potential bonus. This prevents the body from degenerative diseases, premature aging, and several other problems. First of all, unlike green and black tea, rooibos is not known as a true tea because it does not come from the Camellia sinensis plant. Lets start by making this clear heart palpitations are the worst symptom you can get from rooibos tea if youre allergic to it. Rooibos offers benefits for skin treatment and some skin problems such as acne. Two separate case studies, of a 42-yr-old woman and a 52-yr-old man, suggest that rooibos intake significantly increased liver enzymes and led to symptoms such as jaundice (33, 34). It's very rare to have an allergic reaction to rooibos, but if you do experience one you should take it seriously! Excessive intake of magnesium might make you hungry, or the worse situation might cause nausea, abdominal cramping, and diarrhea. Additionally, some individuals appear to suffer from caffeine sensitivity, symptoms of which may include anxiety, gastrointestinal symptoms, nervousness, and more (7). A . Thus, you can give it a try in limit to avoid any unwanted rooibos tea side effects. However, one controlled clinical trial investigated the effects of rooibos in adults with a high risk of cardiovascular disease. Caffeine intake during pregnancy is discouraged byw many health professionals [55]. It is used to treat nerves and menstrual cramps. A study was published in the ACG Case Reports Journal on a 52-year-old male who showed signs of acute hepatitis and liver failure. No clinical evidence supports the use of rooibos tea for any of the conditions listed in this section. Rooibos tea has been traditionally used as a folk remedy to help with [27]: At this point, theres no valid research to support these claims. Salmonella is a common cause of food poisoning, with symptoms including fever, stomach cramps, diarrhoea, nausea, and vomiting. One study compared the effect of rooibos intake with green tea and water on iron absorption. If you develop common allergy symptoms after consuming African rooibos tea, stop drinking the beverage and call your doctor. Allergic reactions to African rooibos tea, also called red bush tea, are uncommon. When you shop through links on our site, we may earn an affiliate commission. If you suffer from any of these health problems or experience discomfort of any kind, we urge you to speak with a doctor. Many health claims about rooibos are based only on anecdotal evidence. Analyzing the compounds in rooibos tea has revealed in this study that several have estrogenic activity. During processing, rooibos tea may get contaminated with bacteria like salmonella [58]. Rooibos Tea Dosage: How Much You Should Drink It? Some research demonstrates that rooibos can slightly increase the production of the female hormone, estrogen. This patient scheduled for laparoscopic appendectomy and this 52-year-old male both showed signs of liver damage from consuming excessive amounts of red rooibos tea as an herbal remedy. So, lets have a look at some of the side effects of Rooibos tea you might experience if drink it too much. Green Rooibos - Greenbosh - African Herbal Loose Leaf Tea 25g - 1kg. As rooibos tea is rich in antioxidants and free from caffeine it can actively help to improve your heart health and reduce high blood pressure. Babies and small children are also benefited with the tea when they suffer from colds or stomach problems. Research from the Scientists at Stellenbosch University showed that rooibos helps in reducing the stress of daily life. Low blood pressure patients are strongly suggested not to drink hibiscus tea. Ayeleso, A.O., et al., Effects of Red Palm Oil and Rooibos on Sperm Motility Parameters in Streptozotocin-Induced Diabetic Rats, African Journal of Traditional, Complementary and Alternative Medicines, 2014; 11(5): 8-15. Polyphenols from red rooibos (aspalathin and nothofagin) reduced inflammation in cells and diabetic mice. Symptoms include skin rashes, itching and swelling, tightness in the chest and difficulty in breathing. As per drugs.com, 1 to 4 teaspoons of dry leaves of tea per cup seems ok and you can take this herbal tea 3 times per day. Rooibos tea also known as red bush tea growing in popularity worldwide for its delicious and intense taste. To experience the side effects listed above, you need to be either allergic to rooibos or have a pre-existing condition that will be affected by the rooibos. As per PDRHealth.com, rooibos tea can cause breathing problems. Diabetes management Research suggests that the antioxidants in rooibos tea may have. 2013 Oct; 1(1): 5860. They include: shortness of breath; chest tightness; chest pain. This educational content is not intended to be a substitute for professional advice. A plus sign next to the number [1+, 2+, etc] means that the information is found within the full scientific study rather than the abstract. rashes, hives, watery eyes, diarrhea, chest discomfort, cramps, trouble breathing, flushing of the face, the feeling of impending doom . Based on a study in Tufts University by Diane Mckay showed that blood pressure of people who consume hibiscus tea in a daily basis drop 7.2 points in their systolic blood pressure. This condition is related to increased liver enzymes that negatively affects its internal structure. This content is for informational purposes only and Nutrition Advance does not provide medical advice. To slow skin aging. Rooibos contains minimal levels of tannin, and significantly fewer tannins than oolong tea and regular black and green tea (16). The study also suggested antidepressant effects which are due to the high flavonoid content of Rooibos tea. Rooibos tea: Benefits galore Allergies -Rooibos tea helps in preventing the release of such pro-allergy proteins. Consuming raw elderberries might cause cyanide poisoning. Fonseca, A., Red Bush Tea Side Effects, LIVESTRONG, July 2, 2015; Rooibos Tea 5 Health Benefits, Side Effects and More, Authority Nutrition; Engels, M., et al., Tea Not Tincture: Hepatotoxicity Associated with Rooibos Herbal Tea,. During this fermentation process, an enzymatic process occurs which causes the leaves to turn the rusty red color that rooibos is famous for. This tea is caffeine free, therefore making it a great alternative to black or green tea. Black tea is a key component in kombucha fermentation. The condition of patient was improved after stopping the consumption of rooibos tea for few weeks. Thus, it is also advisable to take suggestions from your pediatrician before consuming rooibos herbal tea. Lowering Our Blood Pressure. In animal studies, rooibos reduced liver damage and markers of inflammation (TNF-alpha, IL-1b, IL-6). The tea produced from fermented rooibos leaves is called red tea. People with diabetes suffer from inflammation and are at a high risk of stroke and heart disease. The University of Michigan Health System has confirmed that there is no well researched information as of June 2010 to prove the risks associated with pregnant women or expectant mothers drinking red bush tea to treat several medical ailments like heart burn and indigestion. But, it is always recommended to avoid drinking too much red bush (rooibos) tea. For this reason, rooibos may be a better alternative to green and black tea for those concerned about iron status. For instance, these polyphenols have been shown to have anti-cancer properties in skin cells (11, 12). Rooibos is a refreshing herbal tea that comes from the Cederberg mountains in the Western Cape of South Africa. While oxalates are not usually a big issue for healthy individuals, some people may need to follow low oxalate diet plans. Rooibos tea is an antioxidant powerhouse. Rooibos tea has zero calories when consumed without milk, sugar, honey, or other added ingredients. Rooibos tea has been traditionally used as a folk remedy to help with [ 27 ]: Asthma and allergies Headaches Infant colic Contrary to the belief that this is a herbal tea that is caffeine- and tannin-free and extremely healthy, there are some side effects of rooibos tea. Rooibos is used for hay fever, preventing cancer, preventing heart disease, indigestion ( dyspepsia ), and other conditions, but there is no good scientific evidence to support these uses. Polyphenols keep your skin looking young and healthy. High tannin content gives green and black tea their distinct astringent taste [20]. 9 Best Jasmine Tea: Ultimate Buying Guide (2022 Updated), The Benefits of Green Tea (and Side Effects), Can I Drink Green Tea Before Bed (Pros and Cons), 20 Bestway 20 X 48 Pool Reviews (2022 Updated), 20 Best-Selling Candy Bars Of All Time (2022 Updated), 20 Best Zero Turn Mower With Suspension (2022 Updated), 20 Best Zero Turn Mower For Homeowners (2022 Updated). Rooibos is a delicious, antioxidant-rich, caffeine-free tea. . This is due to activation of K + ions in the body without countering Ca 2+ ions ' activity. 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