3. Chaparral

Also known as creosote bush, this plant-derived supplement is another one that’s advertised as being helpful for those wishing to lose weight. It has also been claimed that it can help in the treatment of cancer, inflammation, the common cold, infections and as a detoxifying agent. This supplement can be as dangerous as many prescription medications, and its use has been known to cause both kidney and liver failure – two extremely serious conditions that can be fatal.