Magnesium sulfate is useful in several ways in the horse stable. Given its saline properties, its ability to be absorbed into the skin, its laxative properties, and its cleansing properties, as well as its ready availability and low cost, it serves several purposes it is commonly used as a laxative and a wound soak for horses. it is reported to be very useful in significant and lasting reduction of pain in the horse’s limbs. Magnesium sulfate can be used as a paste for drawing abscesses, boils and carbuncles. Used in soaking wounds, it helps clean and soothe the tissues and skin.
Magnesium sulfate may also be used as a supplemental source of magnesium in the diet of horses to aid calmness.