1. Collagen fudge is useful. Collagen can keep skin elastic, lock skin moisture, prevent the formation of fine lines, make bones hard and elastic, and prevent osteoporosis.

2. Collagen can combine calcium with bone cells without loss. It can promote the connection of muscle cells, enhance the tension and expansion function of muscles and improve the immune function of the body. You can add a little collagen oral liquid properly at ordinary times. It is generally used according to the course of treatment. Two to three months is a course of treatment, which has certain effect.