NMNH is dihydronicotinamide mononucleotide and is a NAD booster
UthPeak is a trademarked NMNH, standing out in the industry as high purity and shelf stable
Lab Tested Supplements stands out as providing the information that actually correlates to quality supplements. That is 3rd party certifiactes of analysis from a ISO accredited laboratory, and on some products indepdent testing. These are the only two factors to correlate to quality supplements.
With age NAD levels go down. NAD+ is an extremely important molecule in the body used in hundreds of functions within the body.