BetterYou "Zechstein Inside"* Magnesium Oil Joint spray - 100ml providing 800 measured sprays. A natural topical joint and muscle spray containing magnesium, glucosamine, menthol and wintergreen oil. BetterYou Magnesium Oil Joint Spray is a wonderfully soothing and protecting formulation and contains the addition of glucosamine sulphate together with the cooling and calming effect of menthol and wintergreen oil. Easy to apply and wonderful to use. Simply spray directly to the area of concern and massage in. Effects will be felt in minutes. Ingredients: Purified water, Zechstein Inside magnesium chloride. (15% concentration), glucosamine sulphate, menthol oil, wintergreen oil. BetterYou's Zechstein Inside magnesium chloride is mined from one mile underground from a source over 250 million years old. Naturally purified and condensed this source has been protected from man-made pollutants delivering the most naturally pure magnesium chloride known. Used by medical institutions and professional sportsmen and women worldwide. Magnesium is necessary to aid muscle relaxation and is essential to help the body better absorb calcium. BetterYou Magnesium Oil has been proven to be one of the fastest ways of remineralising the body, up to 5 times faster than tablets or capsules (Josling & Watkins, EJNR April 2010). *"Zechstein Inside" Magnesium Chloride is considered the benchmark for pharmacutical grade magnesium worldwide.