Dietary Supplement. Non-acidic. Unique gentle form of Vitamin C. Patented formula. 24-Hour immune support. 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. Why settle, when you can give your body the 24-hour advanced immune support of patented Ester-C from American Health. Backed by science. In a clinical study, white blood cell levels of Vitamin C were elevated in subjects receiving Ester-C when measured 24 hours after initial dose. Unique gentle form of vitamin C. Ester-C is non-acidic, so even people with sensitive stomachs can take advantage of the powerful, extended immune support of this patented ingredient. Naturally-occurring metabolites for quick absorption. The metabolites in Ester-C activate Vitamin C molecules making it easier for them to be absorbed by the body. Free of: gluten wheat, milk or milk derivatives, lactose, soy, artificial color, artificial flavor, sodium (Les than 5 mg per serving). Suitable for vegans. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.