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Although NR (nicotinamide riboside chloride) has been around longer than NMN, and seems to have had more human clinical studies (as of July 2023), its still unclear to us whether or not it has been approved as a supplement in Europe. So, until be get more clarity, we must sell it as a chemical suitable for research and laboratory use only.
Having said that, it seems the FDA has granted it Generally Recognized As Safe (GRAS) status and the European Union authorized NRC (nicotinamide riboside chloride) for food supplements in 2020.
Essentially, its a part of the vitamin B3 family and gets converted into nicotinamide adenine dinucleotide (NAD+), a co-enzyme essential for life. Its a NAD precursor. There may even be more evidence (compared to NMN) that NR can increase NAD+ levels in humans.
As with NMN, most research has been done on animals so we don't yet know if its effective in humans. And as with NMN, we advise you to do your own research before purchasing this product.
Well, the answer depends on who you ask! NR suppliers will say NR, and NMN suppliers will go for NMN. David Sinclair has been interviewed about this issue and clearly favours NMN. However, our advise is to do your own research; it could be that a combination of both is best.