The GM diet plan is a 7-day diet designed to help people lose weight quickly. Each day focuses on different food groups - fruit only, vegetables, fruits and vegetables, bananas and milk, high protein and fiber, and feasting on high protein, fiber and veggies. The final day incorporates a variety of foods from the previous days. The diet aims to help dieters lose weight in just one week through calorie restriction and is based on a plan originally designed to improve worker health.