BetterYou Magnesium Flakes can be added to your bath to help soothe tired and aching muscles for the ultimate relaxation. A highly concentrated form of magnesium supplementation, for the ultimate magnesium remineralisation Soothes tired and aching muscles and promotes natural relaxation Dermatalogically tested, sensitive and atopic skin approved Magnesium bath flakes, sometimes called magnesium bath salts, are a highly concentrated form of magnesium supplementation, designed to be added to a bath or footbath. Soaking in a magnesium-rich bath helps promote relaxation and soothe tired and aching muscles. Allowing full body exposure to a concentrated solution of magnesium chloride. A gentle and effective method of supplementation. The magnesium used within Magnesium Flakes has been naturally purified over 250 million years to guarantee it is free from man-made pollutants and heavy metals.