Are you juicing to lose weight? Although temporary juice fasts/cleanses are beneficial to the body and especially its digestive and intestinal systems, any weight loss that occurs will return once you start consuming other foods. Remaining on juice cleanses may deprive you of important macro-nutrients that our bodies require for optimal function such as protein, essential fatty acids, and other essential nutrients. In turn our bodies may store fat as a survival response, and mostly release water, and dehydrate itself. Remember that the juicing process eliminates most of fiber, which is important for healthy digestion and maintaining healthy cholesterol levels.