Active Compounds:  
Green tea contains volatile oils, vitamins, minerals, and caffeine, but the active constituents are polyphenols, particularly the catechin called epigallocatechin gallate (EGCG).
Green tea polyphenols are potent antioxidant compounds.
 

Believed to be of value for:
Guarding against cardiovascular disease in many ways. Green tea may lower total cholesterol levels and improves the cholesterol profile (the ratio of LDL cholesterol to HDL cholesterol), may reduce platelet aggregation, and may lower blood pressure