Magnesium is an essential mineral and is one of the most commonly found electrolytes in the body. While many foods are rich in magnesium, deficiencies are very common in the western diet. Magnesium Glycinate (Biglycinate) is a form of magnesium consisting of elemental magnesium bound to glycine molecules. This form provides the benefits of elemental magnesium and glycine. As glycine is known as a relaxing amino acid and is often supplemented for sleep support this makes Magnesium Glycinate the most effective type of magnesium for supporting sleep quality.