A sugar detox diet is exactly how it sounds. It is a diet that entails cutting out added sugar and artificial sweeteners for a short period of time. The range of time that one can do a sugar detox can be from 7 days, 21 days, or even a whole month. On a sugar detox, one cuts out all forms of added sugar. By cleansing the body of added sugar, you might find that your mood can improve, your sugar cravings can be curbed, this diet can aid in weight loss, and it can improve oral health.