Liquid Magnesium from Trace Minerals delivers 300 mg of fast-absorbing magnesium in each serving. Magnesium is essential for a myriad of functions in the body, including digestion, nerve conduction, muscle health, bone and tooth formation, heart and circulatory health, and the production of ATP - the body's energy storage molecule. This formula features a blend of magnesium citrate and magnesium chloride in a delicious tangerine flavor.