What does immunity mean?

Immunity is the ability of the body to resist all external pathogens. If there is a problem with immunity, it will lead to pathogens, bacteria and so on. Invasion of the body, easy to get sick, daily ailments, frequent colds and fever. Be sure to pay more attention to rest, ensure adequate sleep and enhance immunity. NMN can improve immunity. Recommend NMN with good probiotics, and the effect is good. It can not only enhance immunity, but also promote metabolism and improve physical fitness. Get to know it quickly