Vegan, Kosher Calcium, magnesium and boron are important minerals in the maintenance of bone health. Magnesium, together with malic acid, plays an important role in the correct functioning of nerves and muscles and is closely involved in energy release. Presented in a base of ascorbic acid (vitamin C) and malic acid (from cider vinegar) to aid absorption and utilisation. Mix with water or your favourite juice to make an easy-to-take health supplement. Calcium and magnesium are needed for the maintenance of normal bones and teeth. Calcium and magnesium contribute to normal muscle function and neurotransmission. Magnesium can also help reduce tiredness and fatigue and contribute to psychological function.