Description: TWINLAB Ester-C 1000 with Citrus Bioflavonoid Complex is a unique ascorbate complex bound to calcium carbonate. This special form of vitamin C is pH neutral (non-acidic) and contains naturally occurring metabolites. It is naturally processed in purified water without the use of alcohol or acetone solvents. This product also contains a citrus bioflavonoid complex. Each Ester-C 1000 with Cirtus Bioflavonoid Complex tablet contains the highest quality ingredients. Warnings: Keep out of the reach of children. Ingredients: Cellulose, Croscarmellose Sodium, Stearic Acid, Dicalcium Phosphate. 100% vegetarian tablets. Ester-C 1000 with Citrus Bioflavonoid Complex is free of Sugars, Salt (sodium), Wheat, Corn, Soy, Starch, Yeast, Dairy, Artificial Colors, Flavors and Preservatives. Recommended Use: As a dietary supplement, take one or more tablets daily. Store in a cool, dry place.