BetterYou Magnesium Flakes (1kg)

BetterYou Magnesium Flakes (1kg). 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.