Metagenics Mag L-Threonate 120 CapsHelps maintain proper muscle function. A factor in the maintenance of good health. Helps to maintain the bodys ability to metabolize nutrients. Helps in the development and maintenance of bones and teeth and maintain proper muscle function and tissue formation. Helps to maintain heart muscle function. Helps to maintain normal electrolyte balance. Ingredients: Each Capsule Contains: Magnesium (magnesium L threonate) 49 mg Non Medicinal Ingredients: