Powering cellular energy and healthy ageing: behind the hype of NAD, NMN and NR supplements

Have you heard any of the buzz about NAD supplements? NAD is a molecule found in nearly every cell and sits at the heart of energy production and DNA repair. Our levels of NAD though can decline with age which has led to the idea that this could be one cause of many age-related diseases, chronic inflammation and cognitive decline. Enter the idea of boosting NAD levels by supplementing with NAD itself or its precursors called NMN and NR. A surface level reading of this topic will soon bring someone across all sorts of claims about benefits including extending lifespan, improving metabolic health and many more. In this podcast episode, I explain what these NAD family of molecules are and critique the clinical evidence to see how it stacks up in front of the health claims. Links referred to in the podcast Review of effect of NR supplementation in humans Review of NMN and NR supplementation on muscle mass and function Episode transcript To access the full episode transcript, go to the following link and select the individual podcast episode and then click on the ‘Transcript’ tab Connect with me Instagram doctimcrowe Facebook Thinking Nutrition X CroweTim

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Powering cellular energy and healthy ageing: behind the hype of NAD, NMN and NR supplements is an episode from Thinking Nutrition by Dr Tim Crowe.

This episode is 12:42 long.

This episode was published on Jul 21, 2025.

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