I have read those arguments, but if you've done a flush you can easily see that what comes out of your body in no way resembles olive oil. Also, the release of pressure in the abdomen would make one think that there is unwanted stuff in there prior to the flush. Also the evidence that the abdomen is flatter, etc etc...I don't know if this stuff comes from the gall bladder or liver or somewhere else, but the point is that the yucky stuff is out. And since olive oil and Epsom Salts aren't bad for you, I'm not too bothered about it.