Mono Diet refers to a food plan in which you eat only one type of food or a specific food group for a period of time. For example, if you chose Apples as your food on a Mono Diet, you could eat any and all varieties of apples such as Granny Smith, Golden Delicious, Red Delicious, and so on. Mono diets can be a valuable style of eating to help relieve digestive stress, identify food allergies and are often chosen for mental, emotional and spiritual reasons. Mono dieting can be can be a good cleanse or fast. The simplicity of choosing one food and only needing to think of eating one food can have great advantages.