Caruso's Natural Health Super Magnesium is needed by every cell in your body. In fact, 26 percent of your body’s total Magnesium content is stored in your muscles. Caruso’s Super Magnesium is a comprehensive, time release multi magnesium supplement that will slowly release over an 8 hour period. Supports healthy muscle function and relieves mild muscle cramps and spasms Help to reduce the occurrence of PMS symptoms including menstrual cramping, mild fluid retention, mood changes and breast tenderness. Relief of abdominal cramping. Soothes and calms the nerves, reducing symptoms of mild anxiety and stress. Maintains healthy cardiovascular system function, supporting heart health. Supporting nervous system health and promotes healthy neurotransmission. Aids in post exercise recovery, enhancing physical performance and maintaining muscle endurance. Assists in the metabolism of carbohydrates and protein, supporting energy production. Contains 240 tablets.