About this item Helps Support Calcium absorption which aids bone growth, density, serum levels and tensile strength USDA Organic, algae-based, mineralized Calcium (1000 mg), Magnesium, Vitamins D3 with K2 (MK-7) 72 Trace Minerals to improve the absorption of calcium, including strontium, boron, and vanadium Vitamin K2 helps calcium bind to the bone matrix, which is critical to growth & strength of bones Free of Major Allergens - NO: milk, egg, fish, shellfish, wheat, gluten, peanuts, soy, or tree nuts