Vincos Buffered Vitamin C contains 1,000 mg of Buffered C Ascorbate per tablet Vitamin C is an essential water-soluble nutrient which can be well tolerated in the buffered form This form of Vitamin C is buffered from acidic to a pH of 6.5 6.8, which may be less likely to cause gastric irritation when taken in higher doses Contains NO Wheat, Gluten, Corn, Dairy, Soy or Yeast Supplement Facts Serving Size: 1 Sustained-Release Tablet Servings per Container: 100