Allergy Research Group - Esterol Ester-C - Buffered Vitamin C, Bioflavonoids, Quercetin - 200 Vegetarian CapsulesBrand: Allergy Research Group Color: Blue Features: Contains Ester C patented buffered ascorbic acid with calcium, non acidic to support higher doses Bioavailability enhanced vitamin C, with bioflavonoids for broad immune and antioxidant protection* Suggested Use: Take 1 or 2 capsules one or two times daily between meals, or as directed Free of wheat and gluten, dairy, eggs, soy, fish, shellfish, peanuts, tree nuts, and yeast Since 1979 Allergy