Pure Soaks Premium Grade Epsom Salt is sustainably sourced from naturally occurring underground deposits in Germany. Our Epsom Salt is the highest FCC Food Grade Quality. Nothing artificial has been added and no modifications have been made in any way. Magnesium Sulphate traditionally has a wide range of therapeutic uses and is said to help relieve muscle aches and joint inflammation. It can also be used for relaxation, stress relief and cleansing and soothing body and soul.