Supplements from Innerbody Labs, Perpetua.Life, and others use 10-15mg of spermidine.42 Trans-Resveratrol Touted as a supplement with helpful antioxidant properties, resveratrol appears to play a significant role in the Sirtuin system, which is a regulatory process integral to cellular health.12 However, its exact role in NAD+ metabolism isnt yet defined, and its longevity research has yielded some inconclusive and contradictory results.43 Still, Renue By Science, Life Extension, Quicksilver Scientific, Cymbiotika, and ProHealth Longevity all offer NAD+ boosters with resveratrol
[DOI] [PubMed] [Google Scholar] Blum R., Beck A., Korfte A., Stengel A., Letzel T., Lendzian K., Grill E
The majority of glutathione preparations available on the market are synthetically produced
And that's a problem