Sports Magnesium is a high-strength, daily formula that contains 145mg of elemental Magnesium per capsule. Sourced from seawater, this natural marine Magnesium contains no Magnesium oxide; giving it superior absorption, as well as being gentle on the digestive tract. Magnesium is effective in post-exercise recovery, soothing muscle tension and muscle tightness, as well as for supporting optimal sleep. Magnesium is one of the most important nutrients as it is involved with hundreds of processes within the body but is easily depleted with exercise. Ingredients - Magnesium Aspartate 20% - Equivalent to Elemental Magnesium Direction to use Take 1 capsule daily.