Magnesium (glycinate)Highly bioavailable magnesium formula Promotes good muscle function Promotes the development and maintenance of bones Magnesium Glycinate is a highly bioavailable form of magnesium that supports macronutrient metabolism and energy production. While normal magnesium levels may blunt the perception of exertion during physical exercise, suboptimal levels may be recorded after fluid loss, including prolonged sweating, which may compromise performance.