Many do just that.
One of my favorites around here, ConernedAunt, has done this many times. Search for her posts on this forum for the how-to.
In 21 flushes, I only experienced any serious nausea about twice and never got sick.
I put my epsom salts in apple juice instead of water.
I do HC protocol with epsom salts ... 4 tablespoons in 3 cups of apple juice.
For liver pain relieve, literally a pinch in what i'm drinking.