EGCG is Green tea extract

A green tea extract is a herbal derivative from green tea leaves. A green tea extract is a herbal derivative from green tea leaves. Green tea extract is 20 times more antioxidant-active than Vitamin C. The main attribution is supposed to be EGCG. Green tea extracts exhibit stronger antioxidant protection for human body than vitamin C and vitamin E. Green tea extract supplements are accessible over the counter in various forms.
EGCG has been found to decrease the risk of developing atherosclerosis. This could also lower blood pressure as it eases the heart’s task of pumping blood through less inflamed arteries. This is what makes EGCG, the main beneficial component in Green Tea Extract a must in anyone's arsenal of anti aging supplements. Research studies also confirmed that green tea could lower bad cholesterol levels while raising HDL cholesterol in humans and animals.
Green tea  can as a food additives is consumed primarily in China, Japan, and a few countries in North Africa and the Middle East. Green Tea Extract offers a convenient way to get the benefits of green tea in a highly concentrated green tea pill form. Green tea antioxidants are likely to become more popular with time. Fresh green tea leaf is unusually rich in polyphenols which may constitute up to 30% of the dry leaf weight.
Green tea consumption is reportedly associated with various health-promoting properties. Human studies regarding the benefit of green tea in weight loss have not shown consistent results. It is quite possible that the combination of green tea extract and other supplements that influence appetite or metabolism could lead to weight loss.

Others: Zeaxanthin                          Grape seed Extract