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  • Basic Info
Licensed from
Generic: green tea
an herbal product - treats Photoprotection, Viral infection, Fertility, Hypertriglyceridemia, Anxiety, Dental cavity prevention, Asthma, Cancer, Diabetes, Mental performance/alertness, Arthritis, High cholesterol, Menopausal symptoms, Weight loss, Cardiovascular conditions, Common cold prevention, and Hypertension

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This information is based on a systematic review of scientific literature edited and peer- reviewed by contributors to the Natural Standard Research Collaboration ( Ethan Basch, MD, MPhil (Memorial Sloan- Kettering Cancer Center); Julie Conquer, PhD (RGB Consulting); Dawn Costa, BA, BS (Natural Standard Research Collaboration); Cynthia Dacey, PharmD (Northeastern University); Paul Hammerness, MD (Massachusetts General Hospital); Carolyn Williams Orlando, MA (American Botanical Council); Shaina Tanguay- Colucci, BS (Natural Standard Research Collaboration); Catherine Ulbricht, PharmD (Massachusetts General Hospital); Wendy Weissner, BA (Natural Standard Research Collaboration).


DISCLAIMER: Natural Standard developed the above evidence- based information based on a thorough systematic review of the available scientific articles. For comprehensive information about alternative and complementary therapies on the professional level, go to Selected references are listed below.

Berube- Parent S, Pelletier C, Dore J, et al. Effects of encapsulated green tea and Guarana extracts containing a mixture of epigallocatechin- 3- gallate and caffeine on 24 h energy expenditure and fat oxidation in men. Br J Nutr 2005;94(3):432- 436.

Chiu AE, Chan JL, Kern DG, et al. Double- blinded, placebo- controlled trial of green tea extracts in the clinical and histologic appearance of photoaging skin. Dermatol Surg 2005;31(7 Pt 2):855- 860.

Choan E, Segal R, Jonker D, et al. A prospective clinical trial of green tea for hormone refractory prostate cancer: an evaluation of the complementary/ alternative therapy approach. Urol Oncol 2005;23(2):108- 113.

Chow HH, Hakim IA, Vining DR, et al. Effects of dosing condition on the oral bioavailability of green tea catechins after single- dose administration of Polyphenon E in healthy individuals. Clin Cancer Res 6- 15- 2005;11(12):4627- 4633.

Cnattingius S, Signorello LB, Anneren G, et al. Caffeine intake and the risk of first- trimester spontaneous abortion. N Engl J Med 12- 21- 2000;343(25):1839- 1845.

Dlugosz L, Belanger K, Hellenbrand K, et al. Maternal caffeine consumption and spontaneous abortion: a prospective cohort study. Epidemiology 1996;7(3):250- 255.

Fukino Y, Shimbo M, Aoki N, et al. Randomized controlled trial for an effect of green tea consumption on insulin resistance and inflammation markers. J Nutr Sci Vitaminol (Tokyo) 2005;51(5):335- 342.

Gao YT, McLaughlin JK, Blot WJ, et al. Reduced risk of esophageal cancer associated with green tea consumption. J Natl Cancer Inst 6- 1- 1994;86(11):855- 858.

Henning SM, Aronson W, Niu Y, et al. Tea polyphenols and theaflavins are present in prostate tissue of humans and mice after green and black tea consumption. J Nutr 2006 Jul;136(7):1839- 43.

Hodgson JM, Puddey IB, Burke V, et al. Effects on blood pressure of drinking green and black tea. J Hypertens 1999;17(4):457- 463.

Lambert JD, Yang CS. Mechanisms of cancer prevention by tea constituents. J Nutr 2003;133(10):3262S- 3267S.

Laurie SA, Miller VA, Grant SC., et al. Phase I study of green tea extract in patients with advanced lung cancer. Cancer Chemother Pharmacol 2005;55(1):33- 38.

Maron DJ, Lu GP, Cai NS, et al. Cholesterol- lowering effect of a theaflavin- enriched green tea extract: a randomized controlled trial. Arch Intern Med 6- 23- 2003;163(12):1448- 1453.

Seely D, Mills EJ, Wu P, et al. The effects of green tea consumption on incidence of breast cancer and recurrence of breast cancer: a systematic review and meta- analysis. Integr Cancer Ther 2005 Jun;4(2):144- 55.

Westerterp- Plantenga MS, Lejeune MP, Kovacs EM. Body weight loss and weight maintenance in relation to habitual caffeine intake and green tea supplementation. Obes Res 2005;13(7):1195- 1204.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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