Mild In The Stomach Non-Acidic To TeethHypoallergenic Dissolves Easily In LiquidTry in Juice! Mild Taste In Water Vitamin C is an essential antioxidant nutrient. It is necessary for the building of collagen, maintaining teeth and gum tissue health, and normal functioning of the body's natural defenses. Carlson MildC Crystals is pure Calcium Ascorbate, a buffered form of Vitamin C. There is evidence that the acidity of the ascorbic acid form of Vitamin C may irritate sensitive stomachs and may harm teeth. Calcium Ascorbate is a non-acidic form of Vitamin C that is mild in the stomach and gentle to the teeth. MildC Crystals is usually well-tolerated by food sensitive individuals as the product consists solely of high-quality Calcium Ascorbate - no free ascorbic acid is present.