The next generation of vitamin C supplementation. Boost the immune system as a free radical scavenger. Assist the production of collagen & other connective tissue, cartilage, bones, teeth, skin & tendons. Using a patented, non-acidic form of highly available vitamin C which also provides a source of Calcium. Additional Citrus Bioflavonoids aid absorption. Directions: 1-2 Tablets with food Ingredients: Active ingredients per tablet: Ester-C (Calcium Ascorbate-Threonate) 1000mg, which provides: Vitamin C (Calcium Ascorbate) 789mg, Calcium 9.6mg, Threonic Acid 0.9mg, Citrus Bioflavonoids 50mg