If you’ve got sore muscles, slipping into a warm bath with Epsom salt feels amazing. This is almost entirely because you’re taking the time to make a nice bath for yourself and pay attention to your body that just did such hard work for you. The whole thing about it relieving soreness? Sorry, but nope.
Source: LifeHacker – Epsom Salts Make Baths Nicer but They Do Nothing For Your Muscles