Green Tea Extract Powder (50% EGCG) is a pure extract of green tea that is tested to contain 50% (or more) EGCG (Epigallocatechin Gallate), a powerful antioxidant which protects cells from damage.EGCG (Epigallocatechin Gallate): Benefits, Dosage, and Safety … In an 8-week study in 33 people, taking 250 mg of EGCG-containing green tea extract daily resulted in a significant 4.5% reduction …EGCG Green Tea Extract | EGCG Supplement | EGCG Powder – Epigallocatechin gallate, also known as epigallocatechin-3-gallate, is the ester of epigallocatechin and gallic acid, and is a type of catechin. It is the most abundant catechin in tea, is a polyphenol under basic research for its potential to affect human health and disease.Epigallocatechin-3-gallate (EGCG), a component extracted from green tea, has been proved to have multiple effects on human pathological and physiological processes, and its mechanisms are discrepant in cancer, vascularity, bone regeneration, and nervous system. Although there are multiple benefits …Green tea owes its subtle flavors and gentle, mouth-cleansing astringency to a number of organic compounds. One of them is epigallocatechin gallate, usually abbreviated as EGCG, which has attracted attention within the medical and wellness communities for its potential health benefits.In total, 105 green tea products evaluated, 58% of green tea supplements and 5% of green tea beverages included information about EGCG content on the label. Among the dietary supplement products providing sufficient information on the label, the amount of EGCG listed ranged from 70 mg to 600 mg per serving.EGCG Side Effects Green Tea Extract Users Beware! EGCG side effects are seldom observed during human trials. Nevertheless, if you are consuming green tea extract, it is important to pay attention to the quality of your brand.70 percent EGCG, the ultimate green tea supplement A few green tea products on the market reach a maximum of 55 percent EGCG. Our green tea extract, sourced and formulated by me personally, contains the highest quantity of EGCG available in supplement form. Each 500 mg capsule contains 70 percent EGCG.