Mega Cal & Calcium 650 mg with Vitamin D is formulated with premium-grade, bioavailable Vitamin D3, the same natural form the body produces when skin is exposed to sunlight.Calcium and Vitamin D are a classic combination for anyone looking to support bone health and ensure optimal absorption.How to eat:Take 1 to 2 mini-tab daily with a meal. Take a few hours before or after taking other medications.. Ingredient: Calcium (from a complex of carbonate, citrate, malate, fumarate and succinate), Stabilizer (E468), Thickener (E464), Vitamin D3, Anticaking agent (Vegetable Magnesium Stearate, E553(ii)), Glazing agent (E903)