The magnesium in Epsom Salts is what makes the difference. Beyond the word “salt” there is basically no similarity to table salt. And yes, it works very well. I make a magnesium body butter that makes a huge difference in relieving the discomfort of soft-tissue aches and pains. Soaking in a hot tub to which a cup of Epsom Salts was added will give greater relief than just the soak itself. Give it a try! If it doesn’t work, you’re no worse off. There will always be the nay-Sayers that think that if he t’s not pharmaceutical, it is worthless, but since most pharmaceuticals are mineral and plant based, that seems silly to be.