Calcium provides the building blocks that help keep bones and teeth strong and healthy.* It also supports the health of the musculoskeletal and nervous systems.* Magnesium helps to regulate calcium transport and aids in the influx of calcium into bone.* Magnesium also works with ATP to release the energy needed for many reactions in the body.* It plays an important role in protein formation and healthy muscle function.* Adequate Calcium throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis.