Ulicna O, Vancova O, Bozek P, et al. This is a detailed article about green tea and its health benefits. Just like ginkgo biloba, ginseng and licorice teas can reduce the effectiveness of anticoagulant medications including warfarin, Samuels says. However, other research suggests that the tea has no effect on antioxidant levels in the blood. Due to the plants potential for improving oxidative stress, it may have a role in diabetes and cardiovascular disease. "Lisinopril is frequently prescribed for treating hypertension and heart failure, so people taking it should limit their consumption of green tea and green tea extracts because they can decrease the effectiveness of the drug.". Those who are undergoing chemotherapy should avoid taking herbs and herbal supplements as they can change the way the body processes chemotherapy drugs. Rooibos Tea: The Miracle Drink That Boosts Your Health What about caffeine free tea such as rooibos? Before you use rooibos tea, consider these possible risks: Estrogen-Like Effects Some compounds in rooibos tea Red Bush Tea Uses, Benefits & Dosage - Drugs.com With the exception of certain products that are generally recognized as safe in normal quantities, including use of folic acid and prenatal vitamins during pregnancy, this product has not been sufficiently studied to determine whether it is safe to use during pregnancy or nursing or by persons younger than 2 years of age. (2015, August 30). Rooibos tea is calorie-free, so it may be a good beverage option for those who are trying to lose weight or maintain a healthy weight. Information from this source is evidence-based and objective, and without commercial influence. View abstract. Tea & the Thyroid | Healthy Eating | SF Gate Kunishiro K, Tai A, Yamamoto I. J Ethnopharmacol. Taking rooibos along with some medications that are broken down by the liver can decrease the effectiveness of some medications. Apply cold green or black tea bags All rights reserved. Can diet help improve depression symptoms? Just like black tea, rooibos is suitable for sun brewing. Pour over ice to serve. Some medications are changed and broken down by the liver. All rights reserved. Not following these directions could mean your procedure will be delayed or canceled. Rooibos might increase how quickly the liver breaks down some medications. It tends to be more expensive and grassier in flavor than the traditional version of the tea, while also boasting more antioxidants (2, 3). 5 Health Benefits of Rooibos Tea (Plus Side Effects) Based on this teas nutrient density, there is almost no part of your body that cant benefit from rooibos, including your skin, heart and bones. It is important to fully inform your doctor about the herbal, vitamins, mineral or any other supplements you are taking before any kind of surgery or medical procedure. WebMD does not provide medical advice, diagnosis or treatment. Although most herbal teas are generally considered safe in modest amounts, people who live with certain health conditions should limit or avoid some herbal teas, says Tamar Samuels, RD, CDN, co-founder of Culina Health. Impact of Cold versus Hot Brewing on the Phenolic Profile and Antioxidant Capacity of Rooibos (Aspalathus linearis) Herbal Tea. It might also weaken certain antidepressants, such as fluoxetine (Prozac and Sarafem) and imipramine (Tonfranil). Fennel has long been associated with digestive and metabolic health, among other benefits.