First of all, this product contains NMN substance, which is the secret of anti-aging. It can help the human body to block ultraviolet damage, prevent pigmentation and prevent wrinkles, and reduce the damage of collagen and elastic fibers. Secondly, NMN can supplement the level of NAD+ which gradually decreases with age, and NAD+ is a natural substance in human body. With the growth of age, the growth of age is slow, and the NAD+ level of human body will also decrease accordingly, and many metabolic reactions cannot be carried out efficiently, so health problems will increase with age. By supplementing NMN, functional NAD+ level can be maintained.