Chemoprotection: a review of the potential therapeutic antioxidant properties of green tea (Camellia sinensis) and certain of its constituents. Proc Soc Exp Biol Med 1999;220:218-24. Clin Microbiol.Infect. Clinical evaluation of 2 polyphenone (green tea extract) in a hydrophilic gel to assess improvement in aged and damaged facial skin: a placebo-controlled, double-blind study [abstract]. Bertipaglia de Santana, M., Mandarino, M. G., Cardoso, J. R., Dichi, I., Dichi, J. Chem.Pharm Bull. 2010;2010:290516. Other drugs may interact with green tea, including prescription and over-the-counter medicines, vitamins, and herbal products. J Nutr. Some research shows that drinking more green tea is linked with a reduced risk of having nasopharyngeal cancer. J.Nutr. Early research shows that green tea extract seems to improve symptoms and general health in people with lupus. Do not take caffeine-containing products and ephedrine at the same time. Stop drinking green tea or other caffeine-containing products at least 24 hours before a cardiac stress test. 1998;18:833-841. View abstract. Proc Soc Exp Biol Med 1999;220:271-5. Arch Pharm Res. Van Het Hof, K. H., Kivits, G. A., Weststrate, J. Fresh leaves from the plant are steamed to produce green tea, while the leaves of oolong and black tea involve fermentation. Circulation 2002;105:2476-81. 2006;13(1):63-68. Bettuzzi S, Brausi M, Rizzi F, et al. View abstract. Tea and health: the underlying mechanisms. Catechins from green tea (Camellia sinensis) inhibit bovine and human cartilage proteoglycan and type II collagen degradation in vitro. Eskenazi B. Caffeine—filtering the facts. Int J Vitam.Nutr.Res. Int J Mol Med. Green tea extract: a potential cause of acute liver failure. Caffeine and miscarriage risk. Adverse cardiovascular and central nervous system events associated with dietary supplements containing ephedra alkaloids. Cancer Chemother.Pharmacol. Ferrini RL, Barrett-Connor E. Caffeine intake and endogenous sex steroid levels in postmenopausal women. Br J Nutr. There is conflicting evidence about the effects of green tea on athletic performance. Aust.Dent.J. Taking green tea along with alcohol might cause too much caffeine in the bloodstream and caffeine side effects including jitteriness, headache, and fast heartbeat. Antiplatelet effect of green tea catechins: a possible mechanism through arachidonic acid pathway. View abstract. Some early research suggests that taking green tea antioxidants twice daily for 2 years does not reduce the signs of sun damage to the face in women. Some birth control pills include ethinyl estradiol and levonorgestrel (Triphasil), ethinyl estradiol and norethindrone (Ortho-Novum 1/35, Ortho-Novum 7/7/7), and others. Green tea catechins are known to reduce the risk of thyroid cancer. View abstract. A., Vining, D. R., Crowell, J. Ahn WS, Yoo J, Huh SW, et al. Lung cancer. 2005;93(4):543-547. View abstract. View abstract. Peters U, Poole C, Arab L. Does tea affect cardiovascular disease? View abstract. Am J Clin Nutr 2004;80:22-8. Li Q, Li J, Liu S, et al. View abstract. View abstract. Tohoku J Exp Med 1989;157(4):337-343. Wakai, K., Hirose, K., Takezaki, T., Hamajima, N., Ogura, Y., Nakamura, S., Hayashi, N., and Tajima, K. Foods and beverages in relation to urothelial cancer: case-control study in Japan. Proc.Natl.Acad.Sci.U.S.A 6-2-2009;106(22):9033-9038. 2009;27(6):969-971. View abstract. Allergol Int. Hemelt, M., Hu, Z., Zhong, Z., Xie, L. P., Wong, Y. C., Tam, P. C., Cheng, K. K., Ye, Z., Bi, X., Lu, Q., Mao, Y., Zhong, W. D., and Zeegers, M. P. Fluid intake and the risk of bladder cancer: results from the South and East China case-control study on bladder cancer. View abstract. The effect of fluconazole on the pharmacokinetics of caffeine in young and elderly subjects. The caffeine in green tea can stimulate the body. A meta-analysis of tea consumption and the risk of bladder cancer. Sommer, A. P. and Zhu, D. Green tea and red light--a powerful duo in skin rejuvenation. View abstract. Nagano, J., Kono, S., Preston, D. L., Moriwaki, H., Sharp, G. B., Koyama, K., and Mabuchi, K. Bladder-cancer incidence in relation to vegetable and fruit consumption: a prospective study of atomic-bomb survivors. [A case-control study of environmental and genetic factors and prostate cancer in Guangdong]. J Pharm Sci 2006;95:1372-81. Locher R, Emmanuele L, Suter PM, et al. Clin Nutr 2008;27(3):363-370. Early research shows that drinking green tea or taking green tea extracts for 12 months protects against an increase in heart mass in people with amyloidosis affecting the heart. Let’s begin! Chuarienthong, P., Lourith, N., and Leelapornpisid, P. Clinical efficacy comparison of anti-wrinkle cosmetics containing herbal flavonoids. Schönthal AH. Shen, C. L., Chyu, M. C., Yeh, J. K., Zhang, Y., Pence, B. C., Felton, C. K., Brismee, J. M., Arjmandi, B. H., Doctolero, S., and Wang, J. S. Effect of green tea and Tai Chi on bone health in postmenopausal osteopenic women: a 6-month randomized placebo-controlled trial. J Pharm Pharmacol 2005;57(10):1365-1369. doi: 10.1161/JAHA.115.002503. So, people undergoing Warfarin treatment must avoid caffeine-rich products like green tea extracts or excessive amounts of green tea (39). Bergman, J. and Schjott, J. View abstract. Kaegi E. Unconventional therapies for cancer: 2. Am J Health Syst Pharm 2000;57:1221-7. 2013 Nov 18;8(11):e79214. J Diet Suppl. View abstract. J Orthop.Res. Am J Clin Nutr 2010;91:73-81. Version: 5.01. turmeric, echinacea, milk thistle, creatine, saw palmetto. Some of these medications used for depression include phenelzine (Nardil), tranylcypromine (Parnate), and others.