Ester C & flavonoids, Pure Encapsulations Unique vitamin C support enhanced with bioflavonoids Ester–C®, consisting primarily of calcium ascorbate, is a natural, non–acidic water–soluble form of vitamin C that is distinguished by its unique chemical composition and biological activity. It is manufactured in an exclusive, water–based process that results in a mixture of naturally occurring vitamin C metabolites, including ascorbate, dehydroascorbate, and threonate. The bioflavonoids quercetin, rutin and pomegranate extract are powerful free radical scavengers that complement the roles of vitamin C. Quercetin helps maintain healthy histamine release and moderates healthy leukotriene and prostaglandin metabolism. Rutin and pomegranate extract provide important support for blood vessel integrity and healthy cell function. Ester–C® & flavonoids provides highly absorbable vitamin C and varied flavonoid compounds for synergistic antioxidant, immune and vascular integrity support Suggested Use 1 or more capsules per day, with or between meals.  Supplement Facts   Container Size 180 Caps   Serving Size 1 Cap   Amount Per 1 Cap Content %DV     calcium ascorbate blend 800 mg   providing (typical): vitamin C (from calcium ascorbate) 619 mg   calcium (from calcium ascorbate) 68 mg   threonic acid 7 mg   quercetin 50 mg   rutin 50 mg   pomegranate (punica granatum L.) extract (whole fruit) 50 mg   (standardized to contain 5% ellagic acid) 2.5 mg   vitamin C (ascorbyl palmitate) 10 mg   % Daily Values (DV) are based on a 2,000 calorie diet. * Daily Value (DV) not established. Product: Ester C & flavonoids Manufacturer: Pure Encapsulations Item #: ECF1 Content: 180 Caps