Description Description: NOW? Calcium Carbonate is a basic calcium supplement that contains one of the highest concentrations of elemental calcium (about 40%), making it an optimal formulation for supporting healthy bones and teeth.The Inside Scoop: Free of: yeast, wheat, gluten, corn, soy, milk, sugar, salt, starch, preservatives.Nutrition Facts: Serving Size (Level Teaspoon) 1 Servings Per 113 Calcium (from Calcium Carbonate) 1.2g Suggested Use: As a dietary supplement, take 1 level teaspoon daily, preferably with meals. For best results, blend into pulpy type juices such as tomato or orange juice.