Clean eating is a fad diet based on the belief that consuming whole foods and avoiding processed foods offers certain health benefits. What is clean eating? Clean eating doesn't have anything to do with food being clean or dirty. Clean eating focuses on consuming whole foods that are minimally processed and as close to their natural form as possible. Clean Eating magazine: Your home to discover real food for a healthy, happy life. 7 Tips for Clean Eating · 1. Clean eating is in essence a diet — just a way of eating.