Syn suggests "an 80/20 way of eating" — aim for 80 percent nutritious foods, 20 percent whatever treats your body is craving. If you do choose to do a detox diet, you may want to use it as a way to jump-start making healthier food choices going forward every day. "There's nothing wrong with going on a juice fast for a few days," he says. However, most of the time, it can remove them without additional help. At-risk populations include children, adolescents, older adults, those who are malnourished, pregnant or lactating women, and people who have blood sugar issues, such as diabetes or an eating disorder. In the worst cases, the ingredient labels of detox products may be inaccurate.