The better Vitamin C.Dietary Supplement Nat/Bounty Active Ingredients:1 tablet: Vitamin C (as Ester-C Calcium Ascorbate) 500 mg; Calcium (as Ester-C Calcium Ascorbate) 55 mg; C-Sorb Citrus Bioflavonoids Complex 200 mg (Citrus Bioflavonoids (Citrus Sinensis) (Fruit), Sweet Orange, Tangerine, Lime, Lemon, Acerola; Rutin, Hesperidin Complex (Citrus Spp.) (Fruit), Naturally Occurring Vitamin C Metabolites); Vegetable Cellulose; Calcium Silicate; Vegetable Stearic Acid; Vegetable Magnesium Stearate For adults, take one (1) tablet two times daily, preferably with a meal. Store in a cool, dry place. , , Uses: Ester-C gives you powerful immune system support.* Provides your body with the antioxidant protection it needs to help keep you healthy and strong during times of seasonal change and other situations that challenge your immune system - for up to 24 hours.* Enhanced absorption. Stomach-friendly, non-acidic. Suitable for vegetarians. Free of: yeast, wheat, milk or milk derivatives, lactose, sugar, preservatives, soy, artificial color, artificial flavour, sodium (less than 5 mg per serving), gluten, grapefruit. , , In a clinical study, white blood cell levels of vitamin C were elevated in subjects receiving Ester-C, when measured 24-hours after initial dose. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. If you are pregnant, nursing or taking any medications, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur. Keep out of reach of children. , Storage Instruction - Store at 18-23 degrees C