Is so-called ‘longevity molecule’ NAD actually able to reverse biological age? And is it safe?

Experts argue that while NAD is an essential coenzyme, the jury is out on supplements and IV drips - (Getty/iStock)

NAD – a molecule lauded as a breakthrough in longevity, mental clarity and even disease prevention is de rigueur for the wellness crowd. It seems that if you’re not taking NAD, you can’t seriously call yourself a health enthusiast.

Scroll Instagram and you’ll see it dripping from IV bags in plush clinics, ground into expensive supplements, or inside anti-ageing skincare. It’s pitched as futuristic, almost magical, a biochemical fix for everything from burnout to biological decline. But behind the sleek marketing and celebrity endorsements lies a more complex story.