supplement

β-Nicotinamide Mononucleotide (NMN) is an intermediate product of NAD+ metabolism in animals, and it also exists in trace amounts in the diet; NAD+ precursors such as nicotinamide riboside, NR), β-Nicotinamide Mononucleotide conversion to NAD+ only needs one-step catalytic reaction, which is the most direct and efficient precursor substance; from yeast to humans, this substance can…