Natural vitality is a product that can supplement NMN components in human body. NMN is a single nucleotide of nicotinamide, which has many effects on human body. Many health professionals have used the NAD supplement of AliveByNatureNMN nicotinamide mononucleotide to protect their health, and should take the main amount when taking it. When the level of NMN in the body wants to increase, the biosynthesis of NAD+ can be enhanced. AliveByNatureNMN nicotinamide single nucleotide NAD supplement is an NMN tablet taken sublingually, which has a good taste, can be quickly dissolved, reaches sublingual blood vessels, and then is quickly distributed in cells in vivo. The above is an introduction to what natural life in the United States is like. Nature in the United States can supplement the NMN components needed by the human body. NMN is not digested by capsules in stomach, but absorbed into human body through tongue.