Calcium "600" Tablets (from Oyster Shell with Vitamin D3) by Solgar is a dietary supplement in tablets containing calcium as calcium carbonate from oyster shells with vitamin D3 for better absorption.Ingredients:Vitamin D3 (as cholecalciferol); Calcium (as calcium carbonate from oyster shells); Sodium; bulking agent: microcrystalline cellulose; coating: vegetable cellulose; anti-caking agent: vegetable magnesium salts of fatty acids; binding agents: vegetable glycerin, carnauba wax. Contains ingredients that may cause color and appearance to change over time.Ingredients2 tabletsRWSVitamin D3(as cholecalciferol)15 mcg (600 IU)300%Calcium(as calcium carbonate from oyster shells)1200 mg150%RWS - Daily Reference IntakeDirections:Two (2) tablets daily, preferably with a meal.Do not exceed recommended daily dose. Dietary supplements cannot be used as a substitute for a varied diet.Contraindications:Pregnant women, nursing mothers and people taking medications or who are ill should consult a doctor before taking the preparation.Storage:Store at room temperature in a dry and dark place, out of reach of small children. Do not use if the packaging is damaged or with the foil removed.