Each tablet supplies a precise daily measure of Vitamin B-12 (as cyanocobalamin). Vitamin B-12 has a broad range of physiological roles and benefits, but is best known for its part in the nutritional support of red blood cells. In a special base which provides for the gradual release of ingredients over a prolonged period of time.Ingredients - One tablet provides:Vitamin B-12 (as cyanocobalamin) 2000mcgOther IngredientsDi-calcium phosphate, microcrystalline cellulose, stearic acid, hydroxypropyl methylcellulose, magnesium stearate, beet juice powder, silica pharmaceutical glaze. DirectionsServing Size 1 Tablet. VEGETARIAN CONTAINS NO YEAST, WHEAT, CORN, SOY OR MILK.