The oxyflush says this...."Magnesium based oxides and ozonides release oxygen and ozone throughout the digestive system to flush away accumulated toxins and mucous plugging up your elimination system."
And it's not really cheap but you do get a discount the more you buy. It's $33.99 for one bottle. This site also has Colosan and Homozon Mag/Ozone. Apparently the Homozon product is so popular that they are temporarily out of stock.