Dietary Supplement. Non-Acidic. The better vitamin C. Gentle and non-acidic. Patented vitamin C formula. 100% vegetarian. With citrus bioflavonoids. 24-hour immune support. Ester-C is a breakthrough patented vitamin C formula supported with naturally-occurring metabolites. Metabolites help enhance the absorption of vitamin C by your white blood cells, an important part of your immune system. Ester-C's unique, chemical-free manufacturing process neutralizes pH, making it non-acidic and gentle on the stomach. In a daily 1,000 mg dose, Ester-C delivers 24-hour immune support - so once a day is all you need. Added citrus bioflavonoids may help your body better absorb and utilize vitamin C. No gluten, no yeast, no wheat, no milk or milk derivatives, no lactose, no soy, no egg, no grapefruit, no sugar, no preservatives, no artificial color, no artificial flavor, no sodium. Non-GMO. Suitable for vegans. www.AmericanhealthUS.com. (These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.)