Magnesium contributes to a reduction of tiredness and fatigue, supports electrolyte balance, the nervous system, normal muscle function, normal psychological function and the maintenance of normal bones and teeth. Ingredients:INGREDIENTS: one capsule provides: Magnesium (as oxide, citrate, bisglycinate) 300mg Vegetable cellulose (HPMC*) capsule 100mgDirections:As a food supplement, take one capsule 1-2 times daily with food, or as directed by your healthcare professional.