# Tags
David Sinclair, NMN, NR ANTI-AGING

What is NMN (Nicotinamide Mononucleotide)

Have you ever heard of Nicotinamide Mononucleotide (NMN)? If not, you’re about to embark on a journey into the fascinating world of this naturally occurring molecule that exists in every living cell. At the molecular level, NMN belongs to a class of molecules called nucleotides, the essential building blocks of RNA and DNA. Structurally, NMN consists of three key chemical groups: a phosphate group, a ribose sugar, and a nicotinamide base.