What is the principle of Xiaowu's healthy weight loss plan? Is it useful?

It is difficult to lose weight, but the principle is simple. You can do it yourself, and losing weight costs nothing. The principle is mostly to control the intake of three nutrients and accelerate visceral fat metabolism; Balanced proportion ensures the comprehensive absorption of nutrients, corrects metabolism and improves immunity; Eating low GI food can improve insulin resistance. That's all. I don't know if it works. Go and see for yourself.