You've no doubt heard of the Organic green Cabbage Soup Diet. While we certainly don't endorse it, we can see that the detox effects of cabbage and it's low calorie content might be the basis for such a diet. The vitamin C and sulphur in cabbage are thought to purify the blood and remove toxins. Cabbage is also unique for it rich supply of glucosinolates. These phytonutrients can be converted by the body into isothiocyanates that have special detoxification and anti-cancer properties.