ledbury k2-7 raise the calcium levels for strong bones....vitamin d3: for healthy bones, muscles,nerves and to support the immune system.calcium carbonate: reduce the risk of fracture .vitamin k2-7: incease bone mineral < density in osteoportic people and reduce fracture rates.zinc:promotes bone formation and regrationmagnesium chloride: support detoxfication, reduce stress,alliviate aches,promote energy and wellbeing and restore soft and healthy skin.