Product Description - Ester-C is a breakthrough patented Vitamin C formula supported with naturally occurring metabolites. Metabolites help enhance the absorption of Vitamin C by your white blood cells, an important part of your immune system. * Ester-C's unique, chemical-free manufacturing process neutralizes p - H, making it non- acidic and gentle on the stomach. * In a daily 1,000 mg dose, Ester-C delivers 24-hour immune support...so once a day is all you need. * Added Citrus Bioflavonoids may help your body better absorb and utilize Vitamin C.24-Hour Immune Support - Take Once Daily - Patented Vitamin C Formula Suggested Use As a dietary supplement adults, take one (1) capsule daily, preferably with a meal - Or as directed by your healthcare professional. Supplement Facts - Serving Size: 1 Capsule - Servings Per Container: 90Amount Per Serving% Daily Value***Vitamin C (as Ester-C Calcium Ascorbate)1,000 mg1,667%Calcium (as Ester-C Calcium Ascorbate)108 mg11%Citrus Bioflavonoids Complex - Citrus Bioflavonoids (Citrus sinensis) (fruit), Sweet Orange, Tangerine, Lime, Lemon, Acerola, Rutin, Hesperidin Complex (Citrus spp.) (fruit), Naturally Occurring Vitamin C Metabolites200 mg ***Percent Daily Values are based on a 2,000 calorie diet Other Ingredients: Gelatin, Vegetable Magnesium Stearate. Warnings: Keep out of reach of children. As with all dietary supplements, consult your healthcare professional before use.