Dynamic Health Laboratories Calcium Magnesium Complex pre-acidified liquid formula is synergistically balanced to provide calcium and magnesium for optimal assimilation in the body. Calcium, the most abundant mineral element in the body has 2 essential functions: Structural function in the bone tissue for the rigidity and solidity of bones and teeth. On a cellular level, participates in decisive mechanisms like neural excitability, neuromuscular transmission, red blood coagulation, hormonal secretion, enzyme activities and maintaining cell membrane integrity. Magnesium, the second most abundant mineral element in the body plays a fundamental physiological role in: The bone structure, cell energy and cell membrane stability Working as a cofactor in more than 300 enzyme activities Phosphorus is necessary for proper development and growth of bones and teeth, kidney and nerve functions. Our formula is fortified with Vitamin D3, which is vital for bone growth and bone maintenance. Vitamin D3 is necessary for calcium absorption and maintains adequate calcium and phosphorus concentrations for bone strength.