Based on the abundance of cleanses on the market, you’d think a regular detox regimen is a must-do. Not so. Our bodies are pretty adept at eliminating most harmful substances we encounter, thanks to our kidneys, liver, lungs and GI system. And, buyer beware: the cleanses and detox diets out there vary widely and often aren’t based in science. There are, however, a few foods that research shows can amp up your body’s natural detox process.