I have tried the epsom in capsules and lived to regret it.
Since you can't drink water after you take the last mix of olive oil and Epsom Salts , the capsules dissolved after I had passed the water. This caused my kidneys to shut down and was very painful. I had to flush my kidneys to get relief.
The only way I have found to get the Epsom Salts down without too much effort is to use a straw. Drink thru the straw continously without stopping until every drop is down. Suck on a peppermint aftewards and this will eliminate the bad aftertaste.
By using the straw most of the Epsom Salt mix bypasses the taste buds. The peppermint calms the stomach too.