ChromaDex recently got the ball rolling to try and demonstrate that Niagen will increase NAD+
ChromaDex Initiates First Human Clinical Study to Confirm ChromaDex's NIAGEN(TM) Nicotinamide Riboside Will Increase NAD+ - WSJ.com
ChromaDex Initiates First Human Clinical Study to Confirm ChromaDex's NIAGEN(TM) Nicotinamide Riboside Will Increase NAD+ - WSJ.com