This formulation pro-vides Calcium, Magnesium and Vitamin D3 in a delicious and easy to absorb liquid form for daily supplementation.   Calcium provides the building blocks that help keep bones and teeth strong and healthy*: It also plays a role in proper function of the musculoskeletal and nervous systems.*   Magnesium helps to regulate calcium transport and stimulates the secretion of calcitonin, a hormone that aids in the influx of calcium into bone.*   Vitamin D aids in the absorption of calcium, which helps to maintain healthy bones and teeth.* Vitamin D also supports a healthy immune system. Solgar