Can supplements containing NMN, NAD+ and resveratrol really slow ageing? Here’s what the evidence says

By Ahmed Elbediwy, Senior Lecturer in Cancer Biology & Clinical Biochemistry, Kingston University
Nadine Wehida, Senior Lecturer in Genetics and Molecular Biology, Kingston University

As more people look for ways to stay younger for longer, the supplement industry has moved beyond creams and cosmetic fixes to something more ambitious: products that claim to slow ageing by acting on cellular processes.

Among the most heavily marketed compounds are NAD+, NMN and resveratrol, often described as supporting cellular repair, energy production and healthy ageing. But what do they actually do, where are they being used, and how strong is the evidence?

To make sense of the claims,…

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