ADDED MAGNESIUM & VITAMIN D - Helps with Calcium absorption. Ingredients: 2 Vegetarian capsules contain: 500 mg. of Calcium (from Fossilized Coral Calcium), 250 mg. Magnesium (from Magnesium Citrate, Aspartate and Oxide), and 400 IU of Vitamin D (Ergocalciferol - a vegetarian source), fossilized Coral Calcium 1.43 g. Contains: no yeast, wheat, salt, soy, milk or preservatives. Dose - Take 2 capsules daily, preferably before mealtime with water.