Usually, we do not study cells for a living. You may already know about the NAD (Nicotinamide adenine dinucleotide) is sensitive for the human body, decreases with our increasing age. Let’s review a quick difference between the nicotinamide mononucleotide (NMN) and nicotinamide riboside (NR): NMN is not a vitamin while NR is. NMN is not […]