Millions of Americans take daily supplements—including nicotinamide mononucleotide (NMN), nicotinamide riboside (NR) and nicotinamide (NAM)—to boost energy, slow aging and protect the hear ...

They’re popular with celebrities and all over TikTok, but the science still needs to catch up.

Nicotinamide metabolism is central to cellular energy homeostasis and redox balance. At its core, nicotinamide adenine dinucleotide (NAD⁺) acts as a coenzyme in a myriad of redox reactions, supporting ...

A new study, led by researchers at Case Western Reserve University’s School of Medicine, found that vitamin B3 derivatives may be doing more harm than good—helping cancer cells survive and resist ...