Bevisning gates dose: the evidence grade sets the ceiling, and the dose decides how much of that ceiling the product reaches. Value = inverse of price-per-trial-dose-day. Community = mean sentiment of external reviews. Säkerhet caps applied after weighting.
This score is our editorial judgment, not a scientific standard. We combine published evidence, dose, price, transparency, and consumer signals into one composite: this is our method, not a peer-reviewed clinical rating. A higher score means a product does better on the factors we weight, not that it is medically proven to work.
The specific product: dose, price, transparency, and what buyers report.
Säkerhet flags, transparency gaps, dosing concerns, and recurring buyer complaints.
All product data is checked against original sources. Prices, doses, and testing status are updated when product pages change. Bevisning grades are reviewed when new human RCTs are published. Read how we verify.
Consumer signals gathered from 1 platform.
Low confidence, small sampleConsumer sentiment compiled from 1 public source (Examine.com). Small sample size, treat as directional only.
mixed sentiment
Compiled from a Examine.com listing located during manual research; not independently re-verified against the live page at build time.
These are consumer sentiment signals. They do not measure whether the product actually works. See our evidence section for that.
Public sources on this same product, unrelated to NO1GEVITY. NIH DSLD is the US government's registered label database (shown verbatim). SuppCo.com is a separate, unaffiliated commercial site with no partnership or data-sharing arrangement with us. NO1GEVITY scores are computed independently of both.
SuppCo is a separate, unaffiliated supplement-tracking site with no partnership, data-sharing agreement, or business relationship with NO1GEVITY. We are not endorsed by them and they do not endorse us. The two facts below are individually verified against the manufacturer or NSF; the outbound link is provided only so readers can independently cross-check on a third-party site if they want to.
We treat external opinion very differently depending on where it comes from. Tier A is our strongest signal. Tier C is background sentiment only. Tier Rejected is what we excluded, listed openly so you can see what we discarded.
These reviews are aggregated from third-party sources, not written by NO1GEVITY. Each entry shows its source, retrieval date, and whether the source has an affiliate or paid relationship. We do not edit reviews to change their meaning. Disclosure policy.
Credentialed commentary from clinicians who disclose no paid relationship. Useful as supporting critique but not a substitute for a clinical outcome trial.
Detailed ingredient walk-through. Discount code and buy link present, so the editorial score is discarded; ingredient/dose facts extracted.
Mood indicator only. We never use aggregate stars as evidence of efficacy.
Aggregate score ≈ 4.3-4.5 / 5. Mood indicator only.
Additional public mentions we located, kept separate from the deep independent reviews above.
Human evidence for spermidine limited to observational + one small RCT (SmartAge). Effects modest.
Longevity brands rarely test their exact finished product. We separate what's tested from what's inferred.
The studies that established the trial dose and evidence grade for each active ingredient in this product. Click through to read the original paper.
Not medical advice. We list the strongest claims made by the brand and check each against traceable evidence.
Rules change often. We record when we last verified each row. See the full regulatory timeline →
We list this openly. If a claim isn't backed by a source we can trace, we'd rather flag it than repeat it.
Wheat-germ derived. 10 mg, top end av studiedosen.
This DoNotAge Pure Spermidin scores 6.4, making it below the site average. It delivers the full 10mg trial dose of Spermidin with grade B evidence (promising human data, not yet comprehensive). Transparency is a clear strength (score: 9.0), with third-party testing and a public analysintyg. At $0.24/day it's priced well for what you get.
If you are the manufacturer or brand owner of Pure Spermidin and believe any data on this page is incorrect (wrong dose, wrong ingredient, wrong price, missing certification, outdated status), you can request a correction.
We review every request, verify it against primär sources, and publish any change with a dated note in the version history above. Corrections from brand owners are treated the same as corrections from anyone else: verified before they move.
Request a correction →The next highest-scoring produkter in Autophagy, same scoring method, same rules.