Vitamin C is an essential antioxidant that supports healthy immune system function, teeth, and gum tissue health, and the body's natural defense system.* Carlson Mild C® Powder is made from pure calcium ascorbate, a combination of calcium and vitamin C, making it mild on the teeth and gentle in the stomach. Each 1/2 teaspoon contains 1,600 mg of vitamin C. Mild-C® Powder has a light citrus taste and can be placed in water or a flavored drink.