Preserve Your Best Self Write the rules of your own timeline
Built around one uncomfortable finding
Three of eighteen NMN products tested in 2024 contained no NMN at all.
A lab result for every lot
The lot code on the bottle opens the independent certificate for that exact lot.
The manufacture date, printed
NMN degrades on the shelf. Nobody else prints when the powder was made.
Claims we can defend
No sirtuin activation, no absorption multipliers, no strength claims.
60 days, every bottle
No household cap, no restocking fee, nothing to post back.
18 products tested. Here is what came back.
An independent 2024 analysis published in GeroScience bought 18 NMN products off the shelf and measured them by mass spectrometry. The authors declared no competing interests.
18 products tested. Here is what came back.
An independent 2024 analysis published in GeroScience bought 18 NMN products off the shelf and measured them by mass spectrometry. The authors declared no competing interests.
3 of 18
contained no detectable NMN whatsoever.
7 of 18
landed within 10 percent of the label claim.
13.5%
of claim was the worst non-zero result, from a liposomal formula.
Source: Sandalova et al., GeroScience, 2024. Figures refer to the 18 products tested, not to the category as a whole.
60 days to decide
Take it for the full ninety days. If nothing changes, contact us and we refund every bottle in the order. No household cap and nothing to post back. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
SHOP NOW60 days to decide
Take it for the full ninety days. If nothing changes, contact us and we refund every bottle in the order. No household cap and nothing to post back. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
SHOP NOW