The cycle of GM diet is 7 days: on the first day, you can only eat fruits (except bananas), and there is no limit. The next day: you can only eat raw or boiled vegetables. If you eat potatoes, you can only eat them for breakfast. Day 3: You can only eat vegetables and fruits (except bananas and potatoes). Day 4: You can only drink milk and eat bananas. The fifth day&; Day 6: You can eat some chicken, tomato, brown rice and so on. Day 7: You can eat vegetables, fruits and brown rice, but you can't eat meat. Because the diet of GM diet is "low overall calories" and "unusually low carbon", it is particularly fast to lose weight in the early stage.