Calcium Magnesium Boron PowderDescription Calcium and magnesium are needed for the normal maintenance of bones and teeth. Vitamin C contributes to normal collagen formation for the normal function of bones, cartilage, skin and teeth. 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. Mix with water or your favourite