What is Pure Spermidine?

Pure Spermidine is a Autophagy supplement by DoNotAge. NO1GEVITY gives it a overall score of 5.9 out of 10.

How much does Pure Spermidine cost?

$60.00 for 30 servings. Cost per day at the studied dose is $0.24.

Is Pure Spermidine tested by independent lab?

Yes, tested by independent lab. Certificate of Analysis is publicly available.

What is the NO1GEVITY score for Pure Spermidine?

Pure Spermidine scores 5.9/10 on the NO1GEVITY composite scale, based on evidence-graded dose (1111% of trial dose), transparency, value, consumer signals, and formulation.

Does Pure Spermidine match the dose used in clinical studies?

Pure Spermidine delivers 1111% of the dose used in clinical research, which is at or above the studied dose.

What is the evidence for Spermidine?

Spermidine is graded C on the NO1GEVITY evidence scale, meaning limited human evidence, mostly small trials or pilot studies.

Layer 1 · Decision

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DoNotAge

Pure Spermidine

Name: Pure Spermidine
Brand: DoNotAge
SKU: donotage-spermidine
Price: 60.0 USD
Availability: InStock

Autophagy · Capsule · 30 servings

Label snapshot

What the label says

What the product contains and what one serving costs, according to our catalog. Label amounts are not personal dose recommendations.

Active per serving: Spermidine 10 mg
Form: Capsule
List price (catalog, USD): $60.00
Price per serving: $2.00List price divided by servings per container. A per-day cost only if the label serving is once daily.

Full label record: servings, testing, ingredients

Servings per container: 30
Serving size (label): 0.01 g
Catalog monthly estimate: $60.00
Testing disclosure: Brand lists third-party testing and a public certificate of analysis (CoA)Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Ingredients as listed

Ingredient	Amount per serving
Spermidine	10 mg

What to check on the label

Read the spermidine line, not the extract line. '800 mg wheat-germ extract' may contain only a few milligrams of spermidine.
Check the serving size. Capsule counts per serving vary from one to three.
If wheat-germ based, the label states gluten content. The catalog does not store allergen data.

Amounts are per label serving as recorded in the catalog and are not a recommendation. Testing status reflects what the brand lists. Nothing here is medical advice.

Editorial score and research-dose calculations

These calculations describe our scoring method. They are not a recommended dose or proof of benefit from this product.

5.9/10

Overall score

#9 / 25 in Autophagy

Public lab certificate, tested by independent lab, top 6% value.

Read the evidence (2 studies)

Add to compare Visit brand site →

Watch outEU restricted

Tier 3

Ingredient RCT (matching dose)

The ingredient was tested in an RCT at the same dose this product sells.

See the 2 supporting studies

Jiang et al. 2026 (npj Aging) (Spermidine)Comprehensive review identifying eIF5A-TFEB axis as central autophagy mechanism. SmartAge Phase IIb showed no memory improvement at 12 months. 3.3 mg/day rice germ extract improved cardiometabolic biomarkers. 40 mg/day high-purity spermidine safe for 28 days in older men. Studied at 40 mg. This product: 10 mg.
SmartAge (Schwarz et al. 2022, JAMA Network Open) (Spermidine)12-month RCT in 100 adults with subjective cognitive decline: 0.9 mg/day spermidine did not improve memory or biomarkers versus placebo.

How we scored this product Show the full breakdown

Dose vs. studies (50%) 5.5

Transparency (20%) 9.0

Value (10%) 9.8

Formulation (10%) 5.0 Default. No absorption data on file.

Safety (5%) 8.5

Community sentiment (5%) 8.2

Composite 5.9

5.9 composite

Dose vs. studies50%5.5

Transparency20%9.0

Value10%9.8

Formulation10%5.0

Safety5%8.5

Community5%8.2

Evidence 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. Safety 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.

Read the full method →

Best for

Full trial dose, Public lab certificate

Avoid if

No major red flags

Full-dose status

Meets trial dose

Price/month

$60

COA status

Public

Biggest caveat

Dose-evidence score of 5.5 is below average for the site.

Nearest alternatives

Pure Spermidine - 1 mg, 180 capsules ProHealth Longevity · Score 7.1
NAD+ Support Innerbody Labs · Score 6.9
Daily Longevity Blend AgeMate · Score 6.2

Catalog snapshot. Check linked sources for current price, label and batch-specific testing.

Price verification

Current price: $60.00

Last price check: Sep 01, 2026

Add to compare Visit brand site →

Layer 2 · Context

Our summary

Pure Spermidine is a synthetic, gluten-free 8 mg spermidine capsule — a notably high per-capsule dose compared with most wheat-germ-derived competitors — priced around $0.65/day. Spermidine has a genuinely interesting mechanistic story around autophagy, but the strongest and largest human RCT to date on cognitive outcomes (JAMA Network Open, 2022, n=85, 12 months) found no significant memory benefit versus placebo, which meaningfully undercuts the cognitive-focused marketing on this specific product page. Buyers interested in autophagy-related benefits should treat this as a promising-but-unproven category rather than a settled one, and note the product's synthetic source differs from the EU-approved wheat germ extract used in most of the region's authorised spermidine products.

In plain language

Why this scored this way

This DoNotAge Pure Spermidine scores 6.9, making it a mid-tier product with both strengths and weaknesses. It delivers 10mg of Spermidine, above the studied range of 0–6mg with grade C evidence (mostly preclinical, limited human data). Transparency is a clear strength (score: 9.0), with third-party testing and a public lab certificate. At $0.24/day it's priced well for what you get.

What drives the score up

Quality transparency of 9.0: tested by independent lab with a public lab certificate.
Value score of 9.8 at $0.24/day.
Community score of 8.2 with positive consumer feedback.

What drags it down

Dose-evidence score of 5.5 is below average for the site.
Spermidine (10mg is 833% of the 1.2mg trial dose) is well above the trial dose. More is not always better.

Why you'd choose it

You want good value at $0.24/day.
You prioritise tested by independent lab products with public lab certificates.

Why you might skip it

You want a standard dose of spermidine (this product is well above it).

Question 1

Does the molecule work?

The science behind each active ingredient, independent of which brand sells it.

Spermidine

The autophagy-inducing polyamine; the largest human trial found no cognitive benefit.

2 landmark RCTs · US: Dietary supplement · EU: Novel Food status for concentrates >7 mg; wheat-germ traditional food

Question 2

Is this bottle good?

The specific product: dose, price, transparency, and what buyers report.

Dose vs research

1111% of trial dose

Meets or exceeds the published effective dose

Cost at trial dose

$0.24/day at trial dose

What one effective daily dose actually costs

Transparency

9.0/10 · Public lab certificate (quality: not assessed)

Independent batch testing confirmed

Consumer signals

No consumer signals collected yet

Operational signal only, never used as clinical evidence

Question 3

What's the catch?

Safety flags, transparency gaps, dosing concerns, and recurring buyer complaints.

Review advised

Dose at 1111% of research dose

Safety flag

Dose at 1111% of research dose

Dose or interaction risk detected. See ingredient page for details.

Overdose risk

Dose at 1111% of trial dose

Far above the published effective dose. Check tolerable upper intake limits.

Plain English

What’s inside

The main ingredients of this product, in plain language.

Spermidine10 mgEvidence C

The autophagy-inducing polyamine; the largest human trial found no cognitive benefit.

Read about Spermidine →

Layer 3 · Evidence vault

Product data & verification

Hard numbers and independently checked status. Expand each block for its source.

The numbers

Price

$60

per bottle · 30 servings

Dose vs. research

Above trial dose 1111%

of published effective dose

$ / day at studied dose

$0.24

what one effective daily dose costs

$ / g active

$200.00

per gram of active substance

Independently checked

Data verification

COA status

Public

Evidence grade

Per-ingredient breakdown

CSpermidine

All product data is checked against original sources. Prices, doses, and testing status are updated when product pages change. Evidence grades are reviewed when new human RCTs are published. Read how we verify.

What's inside

Ingredient

Dose in this product

Trial dose

Evidence

Spermidine

The autophagy-inducing polyamine; the largest human trial found no cognitive benefit.

SmartAge (Schwarz et al. 2022, JAMA Network Open)Jiang et al. 2026 (npj Aging)

10 mg 833% of trial dose

1.2 mg

4.1 /5

Medium confidence

556 reviews across 2 platforms (2 sources)

Source diversity: 46%

Examine.comTrustpilot

Last checked: 2026-08-07

Consumer signals

Consumer signals gathered from 2 platforms.

Low confidence, small sample

Consumer sentiment compiled from 1 public source (Examine.com). Small sample size, treat as directional only.

Examine.com

mixed sentiment

Themes

Human evidence for spermidine limited to observational + one small RCT (SmartAge). Effects modest.

Compiled from an Examine.com listing located during manual research; not independently re-verified against the live page at build time.

Trustpilot

556 reviews · 4.1/5

These are consumer sentiment signals. They do not measure whether the product actually works. See our evidence section for that.

Independent external anchors

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.

Unaffiliated third-party site

SuppCo.com

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.

Tested by independent lab, Yes

What others say, with a source hierarchy

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.

Tier B

Registered dietitians and physicians, without affiliate ties

Credentialed commentary from clinicians who disclose no paid relationship. Useful as supporting critique but not a substitute for a clinical outcome trial.

Physician YouTube analysis — DoNotAge Longevity Sachet

Has affiliate relationship Not a paid placement

Detailed ingredient walk-through. Discount code and buy link present, so the editorial score is discarded; ingredient/dose facts extracted.

How we use it: Ingredient/dose facts only. Editorial rating rejected.

Tier C

Aggregated sentiment (Trustpilot, Reddit)

Mood indicator only. We never use aggregate stars as evidence of efficacy.

Trustpilot — DoNotAge (aggregated sentiment)

No affiliate relationship Not a paid placement

Aggregate score ≈ 4.3-4.5 / 5. Mood indicator only.

Finding: 4.3-4.5 / 5.

How we use it: Sentiment only. Never used as evidence of efficacy.

Community threads and aggregate ratings

Additional public mentions we located, kept separate from the deep independent reviews above.

Examine.com

mixed

Human evidence for spermidine limited to observational + one small RCT (SmartAge). Effects modest.

Read source → Unverified · we received no payment for this listing

Layer 3 · Evidence vault

Evidence, claims & regulation

Published evidence, claim checks, regulatory status and what could not be verified.

Evidence, what actually backs this product

Longevity brands rarely test their exact finished product. We separate what's tested from what's inferred.

Strongest evidence tier

Tier 3Ingredient RCT (matching dose)

4 studies mapped

Tier 3Ingredient RCT (matching dose)

Effects of Spermidine Supplementation on Cognition and Biomarkers in Older Adults With Subjective Cognitive Decline: A Randomized Clinical Trial

Wirth M, Schwarz C, Benson G, et al. · 2022 · JAMA Network Open · n=85 · Not explicitly matching 8 mg (spermidine-rich plant extract dosing; total daily spermidine content varies by source but broadly in a similar range to DoNotAge's dose) · 12 months

ingredient-levelpeer-reviewed

This year-long RCT found no significant improvement in memory performance from spermidine supplementation compared with placebo in older adults with subjective cognitive decline, despite earlier shorter studies suggesting a benefit.

This is the largest and longest RCT on spermidine and memory, and importantly it is a null result — a useful counterweight to marketing claims about cognitive benefit, since the most rigorous trial to date did not confirm what smaller earlier studies suggested.

Conflicts: Academic study; no disclosed link to DoNotAge.

Source →

Tier 3Ingredient RCT (matching dose)

The effect of spermidine on memory performance in older adults at risk for dementia: A randomized controlled trial

Wirth M, Benson G, Schwarz C, et al. · 2018 · Cortex · n=100 · Spermidine-rich plant extract, ~1.2-4.2 mg/day depending on subgroup · 3 months

ingredient-levelpeer-reviewed

This earlier, shorter trial reported a positive signal on some memory measures with spermidine supplementation, forming part of the initial basis for cognitive-benefit marketing claims, though at doses considerably lower than DoNotAge's 8 mg.

This trial's positive signal, at a lower dose than DoNotAge's product, was not confirmed by the larger, longer 2022 JAMA Network Open follow-up trial by an overlapping author group — a pattern (early positive signal, later null replication) that should reduce confidence in cognitive claims.

Conflicts: Academic study.

Source →

Tier 4Ingredient RCT (different dose)

First results of a 3-month spermidine trial in older adults suffering from dementia

Pekar T, Bruckner K, Pauschenwein-Frantsich S, et al. · 2021 · Wiener klinische Wochenschrift · n=12 · Not specified in available summary · 3 months

ingredient-levelpeer-reviewed

This very small preliminary trial in dementia patients (not the healthy or 'at risk' population DoNotAge markets to) reported some positive trends, but the tiny sample size means it offers only weak, exploratory evidence.

Too small (n=12) to be more than exploratory, and studies an already-demented population rather than the general healthy-aging consumer.

Conflicts: Academic study.

Source →

Tier 5Mechanistic / animal / marketing

Comprehensive synthesis of spermidine's impact on cognitive aging (systematic review)

Various (forum/review authors) · 2025 · peer-reviewed forum article (PMC-indexed) · Varies widely across pooled studies · Varies

ingredient-levelpeer-reviewed

This broad synthesis of interventional and observational spermidine research concluded the evidence for cognitive benefit is suggestive but inconsistent across study designs, with observational dietary-intake studies generally more favorable than the handful of controlled interventional trials.

Reinforces that the strongest, largest RCT (Wirth 2022) found no benefit, while weaker observational data is more favorable — a pattern common when dietary correlation studies are compared against actual controlled supplementation trials.

Conflicts: Academic review.

Source →

Evidence

Research behind this product

The studies that established the trial dose and evidence grade for each active ingredient in this product. Click through to read the original paper.

Spermidine SmartAge (Schwarz et al. 2022, JAMA Network Open)

Spermidine Jiang et al. 2026 (npj Aging)

Claim check, vendor claims vs. our reading of the evidence

Not medical advice. We list the strongest claims made by the brand and check each against traceable evidence.

Not supported

“Pure Spermidine supports memory, clarity, and long-term cognitive resilience”

The largest and most rigorous trial to date (Wirth 2022, JAMA Network Open, n=85, 12 months) found no significant memory benefit from spermidine supplementation versus placebo in older adults with subjective cognitive decline, directly undercutting the marketed cognitive claim, even though an earlier smaller 2018 trial by an overlapping research group had shown a more promising signal.

Vendor source

Supported

“Spermidine activates autophagy, the body's cellular renewal process”

This is well-supported mechanistically in preclinical and cell-biology literature; spermidine is one of the best-characterized dietary autophagy inducers, though most of the strongest autophagy-activation evidence comes from animal and cellular models rather than direct measurement of autophagy in human supplement users.

Vendor source

Partial support

“8 mg dose is the 'top end of research dose' (internal product database note)”

8 mg/day is within the higher range of doses used across the human spermidine literature, but the largest and most rigorous cognitive trial did not find a benefit at broadly comparable dosing, so a higher dose alone does not appear sufficient to produce the cognitive effects implied in marketing.

Vendor source

Regulatory status

Rules change often. We record when we last verified each row. See the full regulatory timeline →

Legal as supplement

Spermidine is sold as a standard dietary supplement ingredient in the US with no comparable drug-preclusion dispute to NMN's.

Last verified 2026-08-05

Novel Food, not cleared

Only spermidine-rich wheat germ extract (a specific botanical extract) is an approved EU Novel Food; DoNotAge's product uses a synthetic spermidine source, whose EU Novel Food status was not confirmed as separately authorised, creating some regulatory ambiguity for the synthetic form specifically.

Last verified 2026-08-05

Legal

Sold as a food supplement in the UK; UK novel food rules have historically mirrored the EU baseline for spermidine-rich wheat germ extract, though DoNotAge's synthetic-source product's exact standing was not separately confirmed.

Last verified 2026-08-05

Restricted

Spermidine supplements generally require Health Canada Natural Health Product licensing; specific DoNotAge NPN status was not confirmed.

Last verified 2026-08-05

What we could not verify

We list this openly. If a claim isn't backed by a source we can trace, we'd rather flag it than repeat it.

The specific cardiovascular claims (blood pressure, arterial elasticity) were not traced to a specific cited human RCT on spermidine at this dose.
The regulatory status of synthetic (non-wheat-germ) spermidine specifically, as distinct from the EU-approved wheat germ extract, could not be fully confirmed across all sales markets.

Important to know

SpermidineProduct labels often say 'wheat germ extract 800 mg', that could be 0.8 mg or 8 mg of actual spermidine. Insist on labeled spermidine content.

Editorial notes

Wheat-germ derived. 10 mg, top end of trial dose.

Go deeper

Where this sits

Actives inside

Spermidine

Spot an error?

If you are the manufacturer or brand owner of Pure Spermidine 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 primary sources, and publish any accepted change with a dated note. Corrections from brand owners are treated the same as corrections from anyone else: verified before they move.

Request a correction →

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Pure Spermidine

What the label says

Ingredients as listed

What to check on the label

Quick verdict

Our summary

Why this scored this way

What drives the score up

What drags it down

Why you'd choose it

Why you might skip it

Does the molecule work?

Is this bottle good?

What's the catch?

What’s inside

Product data & verification

The numbers

Data verification

What's inside

Consumer signals

Independent external anchors

What others say, with a source hierarchy

Registered dietitians and physicians, without affiliate ties

Aggregated sentiment (Trustpilot, Reddit)

Community threads and aggregate ratings

Evidence, claims & regulation

Evidence, what actually backs this product

Research behind this product

Claim check, vendor claims vs. our reading of the evidence

Regulatory status

What we could not verify

Editorial notes

Where this sits

Spot an error?

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