Viridian Magnesium Citrate Powder 150gMagnesium 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. Directions: As a food supplement, stir half a level teaspoon into water and drink once daily, or as directed by your healthcare professional. Cash on Delivery 100% Original Products Secure Payments 7 Days Returns