Yes, the weight loss principle of collagen peptide is: to lose weight, you need to burn fat for catabolism, and collagen can increase and prolong this catabolism process, burn more fat and achieve the purpose of losing weight. Collagen consumes a lot of heat when repairing cells, but the repair function is only carried out in sleep. Therefore, it is such a truth that eating collagen and sleeping can lose weight. I hope it helps you! ^_^