Dietary Supplement Antioxidant Protection* 100% Pure Buffered Vitamin C Powder Vegetarian Product Calcium Ascorbate is an optimal nutritional supplement that combines Ascorbic Acid with Calcium Carbonate. By combining these two dietary ingredients, we have created a buffered source of Vitamin C that will not contribute to gastric irritation in sensitive persons. Contains no: sugar, salt, starch, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives. Vegetarian/Vegan Product. This product is sold by weight not volume. *This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.