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Many positive results of detox diets can be explained simply by the change in diet. The reduction of caffeine and alcohol can lead to fewer headaches and eating less food will lessen bloating. Improved hydration can lead to clearer skin. All of these things can be accomplished simply by practicing moderation in what you eat and drink, and without a detox diet.

While healthy people can endure such restrictive diets, other groups should stay away from them. Children, teenagers, pregnant or breastfeeding women, seniors, and people with chronic conditions such as heart disease, anemia, kidney disease, cancer, and diabetes should not put any more strain on their bodies by using the detox diets. The malnutrition that can occur with these diets can cause intestinal as well as cardiac problems.