Magnesium and Potassium Aspartates have been found effective for relief of fatigue attributed to a variety of origins. Magnesium is not a trace mineral but a major entity in the body. Most of it is in the bones and intracellular fluids. Magnesium is absolutely essential for life. It is necessary for every major biologic process including the metabolism of glucose, production of cellular energy and the synthesis of nucleic acids and protein.Dietary ConsiderationsWheat FreeSoy FreeYeast FreeSugar FreePreservative FreeCorn FreeFree of Artificial Colors/FlavorsAmount Per ServingMagnesium (elemental) (as magnesuim malate and magnesium asparatate) 200 mgPotassium (elemental) (as potassium asparate) 99 mgOther Ingredients:rice flour, pullulan (capsule), glycerol behenate, modified food starchSuggested use:Take one capsule with each meal, up to three per day, or more, as directed by a doctor.This product is free fo sugar, yeast, corn, wheat, rice, soy artifical color, flavors, or preservatives.