LOS ANGELES–(BUSINESS WIRE)—- $NAGE #Biotech–Niagen Bioscience, Inc. (NASDAQ: NAGE), the global authority on NAD+ (nicotinamide adenine dinucleotide) with a focus on the science of healthy aging, today announced a Start-Up Agreement with Mass General Brigham (MGB) to begin detailed planning for what is envisioned to be the largest and most comprehensive clinical trial of Niagen (patented nicotinamide riboside or NR) to date. “This agreement reflects the next stage of responsible NAD+ science,” said Rob Fried,