Hyaluronic Acid Serum(HA) is a straight chain macromolecular mucopolysaccharide composed Of repeat disaccharide units of glucuronic acid and N-acetylglucosamine. It widely consists in the extracellular space of human and animal tissue, vitreum, umbilical cord, skin joints synovia and cockscomb, etc.
Nicotinamide mononucleotide (NMN) is a nucleotide derived from ribose and nicotinamide, used in biochemical research. It is a derivative of niacin and participates in the generation of nicotinamide adenine dinucleotide (NAD+) in cells.