Used in agriculture as a magnesium and sulfur source to correct soil deficiencies, especially in crops like tomatoes, potatoes, and roses. Helps prevent magnesium deficiency, which can cause leaf yellowing and reduced yields. Commonly applied through foliar sprays or soil drenches for quick absorption. In animal husbandry, added to livestock feed to support metabolic functions and prevent grass tetany in ruminants. Also used in some veterinary preparations and bath salts for muscle relaxation and soothing sore muscles in humans. Frequently found in Epsom salt products for topical use, promoting recovery and reducing inflammation. Used in some industrial processes, including brewing, textile production, and as a drying agent in organic synthesis.