Natural Factors Magnesium Bisglycinate PowderMagnesium Bisglycinate from Natural Factors provides 200 mg of this essential mineral for natural relief from muscle cramps. This non GMO, vegan friendly magnesium is easy on the stomach and does not rely on stomach acid for absorption. Just mixing one serving into water per day can restore magnesium levels to support energy metabolism, muscles, bones, and teeth. Helps maintain proper muscle function, including the heart muscle Helps maintain the