Non-acidic Ester-C is a breakthrough patented formula that contains naturally-occurring Vitamin C metabolites and is quickly absorbed. Its unique manufacturing process neutralizes pH, making it gentle on the digestive system. Ester-C along with Citrus Bioflavonoids delivers advanced antioxidant protection, remaining active in the immune system for up to 24 hours.
American Health - Ester-C 100% Vegetarian with Citrus Bioflavonoids - 500 mg. 120 Vcaps