David Sinclair takes 1 gram of NMN every single day. Here's why.As you age, your body loses up to 50% of a molecule called NAD.NAD is a molecule that acts like fuel powering your sirtuin genes - the genes responsible for maintaining and repairing your DNA. Sinclair calls it "the gas or the petrol for the enzyme."When NAD drops, your sirtuins can't do their job. • DNA maintenance breaks down• The epigenome drifts• And aging acceleratesNMN is also a molecule that converts to NAD inside your cells.

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David Sinclair's research helped turn NMN into a billion-dollar industry.Now he says roughly half the products don't contain what's on the label - and some contain ingredients that could harm youFirstly, NMN (nicotinamide mononucleotide) is a molecule that converts to NAD inside your cells - the fuel your body needs to maintain and repair its DNA.As you age, NAD levels drop by as much as 50%.One gram of NMN roughly doubles them back.He found 3 major problems with most NMN supplements:1) His lab

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