Each effervescent tablet contains 1000 mg of Vitamin C, 25 mcg of Vitamin D and 10 mg of Zinc. 15 Effervescent Tablets. Acidity Regulator: Sodium Hydrogen Carbonate, Thickener: Sorbitol, L-Ascorbic Acid (Vitamin C), Acidity Regulator: Citric Acid, Natural Flavor: Orange, Beta Carotene Color, Acidity Regulator: Malic Acid, Thickener: Polyethylene Glycol, Zinc Sulphate, Sweetener: Sucralose, Cholecalciferol ( Vitamin D).