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
Higher than normal levels often indicate impaired kidney function, as the kidneys are less efficient at filtering this waste product
It can also be challenging to remember to take supplements on a consistent basis
Source: STEP 1 trial data (Wilding et al., NEJM 2021) Tip: If side effects are severe at a new dose, your prescriber may hold the current level for an extra 4 weeks or drop back to the previous dose temporarily
Quercetin In a review, quercetin proved to have one of the highest antithrombotic actions when compared to other flavonoids