DEVA Vegan Calcium Magnesium Plus is one of the most complete calcium formulas available. By combining Calcium (in Amino Acid Chelate, Carbonate, Malate and Citrate forms), Magnesium, Vitamin D, Vitamin K, Zinc, Boron, Copper, and Vitamin C, we've specifically designed this product to support the body with the essential nutrients needed for bone metabolism. DEVA Vegan Calcium Magnesium Plus also contains Horsetail Herb Silica Extract, Inulin (Prebiotic) and L-Lysine (Amino Acid) as additional ingredients.