What is NMN? β-nicotinamide mononucleotide is the precursor of NAD+. NMN has important physiological functions in human cells, which can be synthesized naturally in cells, and can also come from a variety of foods, including broccoli, cabbage, cucumber, soybean, avocado, etc.   Specification Chemical Name: β-Nicotinamide Mononucleotide Molecular Formula: C11H15N2O8P Molecular...