Bio-Balanced Systems. Food-Based Multivitamin. Soothes Sore Muscles & Cramping. 1000 mg Magnesium & 500 mg Calcium. Herbal Muscular Support. Potent Bone and Muscle Support. Magnesium Calcium + provides a 2:1 ratio of magnesium to calcium to promote strong bones and muscles plus vitamins minerals and superfood spirulina for enhanced nutrition and absorption. Added herbs help relieve muscle aches and cramps and support gentle digestions. Magnesium Calcium + is ideal for athletes and those with muscle cramping low magnesium intake of PMS.