5th ed. Taking oolong tea along with stimulant drugs might cause serious problems including increased heart rate and high blood pressure. Many oolong tea benefits are due in part to the presence of catechins, a particular type of flavonoid. 2014 Apr;30(4):448-54. doi: 10.1016/j.cjca.2013.12.026. May DC, Jarboe CH, VanBakel AB, Williams WM. Weakening bones or osteoporosis. Analysis of Naturally Occurring Fluoride in Commercial Teas and Estimation of Its Daily Intake Through Tea Consumption. This is the same plant that is also used to make black tea and green tea. View abstract. Food Chem Toxicol 2002;40:1243-55. This test is called a cardiac stress test. Caffeine impairs glucose metabolism in type 2 diabetes. However, excessive doses, like 7-10 cups daily, are harmful. Massey LK. Oolong tea is a popular Chinese herbal tea. Am J Clin Nutr 1985;41:1210-3. Cimetidine (Tagamet) can decrease how quickly your body breaks down caffeine. Wakabayashi K, Kono S, Shinchi K, et al. Cochrane Database Syst Rev 2001;4:CD001112.. View abstract. (check all that apply). JAMA 1982;248:1097-8. J Toxicol Clin Toxicol 1988;26:407-15. 3-4 cups of oolong tea a day is a sufficient intake to get its health benefits. View abstract. Fluconazole (Diflucan) might decrease how quickly the body gets rid of caffeine. Conen, D., Chiuve, S. E., Everett, B. M., Zhang, S. M., Buring, J. E., and Albert, C. M. Caffeine consumption and incident atrial fibrillation in women. The body breaks down caffeine to get rid of it. Cimetidine (Tagamet) interacts with OOLONG TEA. Migliardi JR, Armellino JJ, Friedman M, et al. Taking oolong tea along with theophylline might increase the effects and side effects of theophylline. A synopsis of Laboratory Medicine. Caffeine intake increases the rate of bone loss in elderly women and interacts with vitamin D receptor genotypes. Black tea is a type of tea that has undergone more oxidation than other types, such as green, white or oolong teas. View abstract. A lesser-known type of tea, oolong tea is made from the leaves of the Camellia sinensis plant, the same plant used to make black and green tea. Taking oolong tea along with clozapine (Clozaril) can increase the effects and side effects of clozapine (Clozaril). Clin Pharmacol Ther 1994;56:576-86. Verywell Fit uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. It is rich with polyphenolic compound which is an antioxidant that combats free radicals. Diabetes Res Clin Pract 2004;65:227-34. West J Med 1992;157:544-53. Since this tea is of the highest quality, the taste gets better and better each time you steep it, with the limit being up to seven times. There are many types of tea made from the tea leaf plant, and each of them has various benefits to human health. Unlike black teas that are fully oxidized or green teas that undergo no oxidation, Oolong is formed through a special technique that results in the tea's partial oxidation. The Many Health Benefits of Oolong Tea. Taking caffeine along with ephedrine might cause too much stimulation and sometimes serious side effects and heart problems. Oolong tea is a product made from the leaves, buds, and stems of the Camellia sinensis plant. CMAJ 1998;158:1033-5. Caffeine might slow blood clotting. Hosoda K, Wang MF, Liao ML, et al. Caffeine works similarly to theophylline. The various health benefits of oolong tea are as follows: 1. The effect of fluconazole on the pharmacokinetics of caffeine in young and elderly subjects. Diabetes Care 2004;27:2047-8. Gupta S, Saha B, Giri AK. A pharmacodynamic interaction between caffeine and phenylpropanolamine. Association of tea drinking and dysmenorrhoea among reproductive-age women in Shanghai, China (2013-2015): a cross-sectional study. Joeres R, Klinker H, Heusler H, et al. Taking oolong tea along with estrogens can cause jitteriness, headache, fast heartbeat, and other side effects. 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