Magnesium Complex Advanced Formula contains 500 mg in a single vegetable capsule. Promote enzyme production, supporting muscle relaxation, bone, and nerve health. Non-dairy, non-gmo, non-gluten, non-soy 2-Months Supply of 60 capsules. Magnesium supplements help proper muscle function to relieve tight, sore, and cramped muscles, muscle contraction, and promote muscle relaxation or soothes tired muscles after exercise