Magnesium Bisglycinate, is a chelated and highly bioavailable supplement. If the body doesn't get enough magnesium from the diet is can lead to a lack of energy and feelings of fatigue.Magnesium also contributes to normal muscle function, which can help during a workout as well as during the recovery period, and it can contribute towards the maintaining of normal bones.Magnesium bisglycinate has 80% bioavailability, meaning the body can more readily absorb the nutrient. We also use chelated minerals. Research supports that these enhance mineral absorption.