Swan Epsom Salt 1lb/16oz is a high-quality, pure magnesium sulfate salt that is designed to soothe muscle aches and pains, reduce inflammation, and promote relaxation. Epsom salt is made up of magnesium and sulfate, which are both important minerals that the body needs to function properly. This product is perfect for use in a relaxing bath or foot soak after a long day, or as a post-workout recovery aid. The resealable bag makes it easy to use and store. Simply dissolve the desired amount in warm water, and enjoy the many benefits of Epsom salt.