: A decaffeinated extract providing 225 mg of EGCG per capsule, similar to the 200 mg dose often used in Polyphenon E trials.
Because Polyphenon E capsules are often treated as an investigational drug, they are not typically found as a standard "brand" on grocery store shelves. However, you can find equivalent high-potency, standardized green tea extracts from reputable supplement brands:
Evidence for and Against Green Tea and Turmeric in the ... - PMC