Trace Minerals Magnesium Glycinate Powder 120mg Berry Lemon 180gMagnesium Glycinate is a highly absorbable and bioavailable form of magnesium that is created by combining magnesium and glycine (a building block used to form proteins in the body). It benefits the heart, bones, nerves, and digestive tract and is very gentle on the stomach. It is known for supporting quality sleep and promoting healthy, natural sleep patterns and REM cycles. It has a calming effect on muscles and throughout the body.