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! Free Of Gluten, Yeast, Wheat, Milk or Milk Derivatives, Lactose, Soy, Egg, Grapefruit, Sugar, Preservatives, Artificial Color, Artificial Flavor, Sodium and Non-GMO. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.