The Importance of NAD in the Body

NAD NAD is a chemical in our bodies that we have high levels when we're young and you need this chemical for for a lot of reactions in the body without it we're dead in 30 seconds or less. By boosting NAD levels the body acts young again can defend itself again and maybe even turns back the biological clock because these sirtuans they control the epigenome so remember that the reader of your genome is just as important  and these sirtus defense enzymes read the genome and make sure that the body stays younger what is the ideal milligram of NAD a day in a pill form? i don't know a brand again i want one that he his name is on