Some of the most obvious tips are often the ones that go forgotten. Water is a natural cleanser, so be sure to keep your intake up and consume foods with a high-water content. Fruits and veggies including cucumber, papaya, and watermelon can help flush out your digestive system and provide vitamins at the same time. "Dehydration is easy to mistake as hunger, so stay hydrated with water and [drink] herbal tea to help decrease cravings and appetite," Kristin said.