The first is to lose weight. Collagen peptide can promote fat decomposition and accelerate fat burning. For people who want to lose weight, the use of collagen peptide can achieve the purpose of slimming and help them burn more fat. Second, it has whitening effect. Some components contained in collagen peptide can whiten skin. If used for a period of time, it can improve the problem of dry and rough skin, has a strong protective effect on the skin and can enhance the elasticity of the skin. The third is to protect the cornea. Some components contained in collagen peptides are important structures of the cornea. So in life, many people will take collagen peptides to improve their eyes, causing fatigue and dryness. This is about what role does Xianggeli small molecular collagen peptide have? So in our life, some people take collagen peptides to make their bones harder and less prone to osteoporosis. Especially for middle-aged and elderly people, it is necessary to supplement collagen peptides needed in the body in time to improve the diseases of middle-aged and elderly people.