Supports healthy immune system function Promotes collagen growth Supports teeth and gum health Provides 1,000 mg (1 g) of vitamin C in a single tablet Potency and quality guaranteed Each tablet contains 1,000 mg (1 g) of vitamin C, an essential antioxidant for supporting healthy immune system function, teeth and gums, and collagen growth. Vitamin C 1,000 mg is pure vitamin C (ascorbic acid).