Water Extract 50% Polyphenols (30% Catechins) Antioxidant Protection Supports Cardiovascular & Immune Health Dietary Supplement Vegan Non GMO Suitable for Vegetarians/Vegans Jarrow Formulas Green Tea is water extracted and consists of 50% polyphenols including 30% catechins, approximately 15% of which is the important EGCG fraction. The polyphenols in green tea are potent antioxidants and support cardiovascular and immune health.