Live data — every record is aggregated from real public sources. VialGrade never sells; it links out to the vendor.
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All compounds
Nootropic peptide
Live data

Semax

Cognitive & mood

A synthetic heptapeptide derived from the ACTH(4-10) fragment with an added C-terminal Pro-Gly-Pro motif.

N-Acetyl Semax

Observed median price

$55

0%

27

Active listings

6 · 99.4%

Independent lab tests

$25–$581

Observed price range

2

Known aliases

Read from the certificate, not re-measured by VialGrade.

Understand this compound

What is Semax?

Widely studieda.k.a. Semax

A Russian nootropic peptide studied in focus, memory, and neuroprotection research. Often paired with Selank.

Cognitive & mood

Good to know: Regulatory approval and most clinical data are confined to Russia and published largely in Russian-language journals, limiting independent verification by Western standards.

How does Semax work?

A synthetic ACTH(4-10) fragment analog that upregulates BDNF/NGF expression via CREB pathway activation and modulates dopaminergic and serotonergic signaling.

Mechanism of action from published research — how the molecule behaves, not a claim about any product or any human-use effect.

What is Semax researched for?

Studied for cognitive enhancement, ischemic stroke recovery, and general neuroprotection.

  • Cognitive & moodStudied in memory, focus, mood, and neuroprotection research.
How far has the research gone?

Widely studied — approved as a prescription drug in Russia/CIS for stroke and age-related cognitive decline since the early 2000s, but never evaluated in large randomized Western trials.

Where the science stands — an approved drug is not the same as the research-grade material a vendor sells, which is unregulated regardless.

What should I check before buying?
  • Independent purity. Look for a third-party COA (Janoshik or MZ) showing a measured purity — not just a number the vendor typed.
  • Batch match. The strongest evidence is a certificate for the exact batch you’ll receive, attributed to this vendor — check the cross-verification on the listing.
  • Vendor reputation. See how the vendor is talked about in the community before trusting a new name.

Research context only — VialGrade never gives dosing, medical, or human-use guidance.

US legal status

Research-use-only — not FDA-approved

Sold “for research use only,” this compound is not FDA-approved for human use and has not been evaluated for safety, purity, or sterility in people. It is generally not a scheduled controlled substance, so buying it as a research chemical is typically not itself a drug crime — but marketing or using it as a drug is not lawful, and it is not a dietary supplement.

Read the full US legal overview →

General information, not legal or medical advice. VialGrade sells nothing and encourages no human use.

Compare by real cost

Cheapest Semax, by price per mg

Vials come in different sizes, so the sticker price lies. This ranks every listing by what a milligram actually costs — with independent test purity where we have it.

#VendorSizePricePer mgTested purityReal $/active mg
1Umbrella Labs30mg total$30$1.00/mg · too cheap?$1.01/mgbest valueView
2Umbrella Labs90mg total90 Milligrams Liquid Spray each$100$1.11/mg · too cheap?$1.12/mgView
3Nootropic Source30mg total$35$1.17/mg · too cheap?$1.17/mgView
4Nootropic Source60mg total600mcg+ per spray (10mL bottle @ 6mg per mL) each$70$1.17/mg · too cheap?$1.17/mgView
5Nootropic Source20mg total200mcg+ per spray (10mL bottle @ 2mg per mL) each$30$1.50/mg · too cheap?$1.51/mgView
6Peptide Pros30mg total$58$1.94/mg$1.95/mgView
7Nootropic Source30mg total300mcg+ per spray (10mL bottle @ 3mg per mL) each$60$2.00/mg$2.01/mgView
8Umbrella Labs30mg total30 Milligrams Liquid Spray each$70$2.33/mg$2.35/mgView
9Swiss Chems30mg total$74$2.47/mg$2.48/mgView
10Felix Chemical Supply10mg total$35$3.50/mg$3.52/mgView
11Bluum Peptides10mg total$39$3.90/mg$3.92/mgView
12Modern Aminos10mg total$42$4.20/mg$4.22/mgView
13Ez Peptides10mg total$44$4.40/mg100.0%$4.40/mgView
14Simple Peptide10mg total$55$5.50/mg$5.53/mgView
15Bluum Peptides5mg total$29$5.80/mg$5.83/mgView
16Chameleon Peptides100mg total10mg · 10-vial kit each$581$5.81/mg99.2%$5.86/mgView
17Chameleon Peptides50mg total5mg · 10-vial kit each$337$6.73/mg99.2%$6.78/mgView
18Chameleon Peptides10mg total$68$6.84/mg99.2%$6.89/mgView
19Behemoth Labz10mg total$69$6.85/mg$6.89/mgView
20Sports Technology Labs10mg total$80$8.00/mg$8.05/mgView
21Cernum Biosciences10mg total$84$8.40/mg$8.45/mgView

Real $/active mg divides the price-per-mg by the measured purity — the honest cost of the actual peptide, so a 90%-pure vial isn’t compared as if it were 99%. Too cheap? flags a listing far below the market rate — often underdosing or a fake, not a deal. The crown marks the cheapest non-outlier; best value marks the lowest real cost per active mg.

Current market

All Semax listings

Semax 5mgBluum Peptides
B+Grade B+
Cognitive & mood

$29

$5.80/mg

+49% vs median/mg

Testing unverified Compound: 6 COAsLive data

Availability

In stock

Last checked

2 hours ago

Semax 1 vialBehemoth Labz
CGrade C
Cognitive & mood

$31

Vendor catalog Compound: 6 COAsLive data

Availability

In stock

Last checked

8 days ago

Semax Peptide 30mgNootropic Source
C-Grade C-
Cognitive & mood

$35

$1.17/mg

-70% vs median/mg

Vendor catalog Vendor flagged Too cheap?Live data

Availability

In stock

Last checked

51 minutes ago

Semax 10mg Felix Chemical Supply
A-Grade A-
Cognitive & mood

$35

$3.50/mg

-10% vs median/mg

Vendor catalog Compound: 6 COAsLive data

Availability

In stock

Last checked

36 minutes ago

Semax 10mgBluum Peptides
B+Grade B+
Cognitive & mood

$39

$3.90/mg

Testing unverified Compound: 6 COAsLive data

Availability

In stock

Last checked

2 hours ago

Semax 1 vialCernum Biosciences
C-Grade C-
Cognitive & mood

$44

Testing unverified Vendor flaggedLive data

Availability

Unavailable

Last checked

21 minutes ago

Semax 10MG Simple Peptide
C+Grade C+
Cognitive & mood

$55

$5.50/mg

+41% vs median/mg

Vendor catalog Compound: 6 COAsLive data

Availability

In stock

Last checked

2 hours ago

Semax 30mg Peptide Pros
C+Grade C+
Cognitive & mood

$58

$1.94/mg

-50% vs median/mg

Vendor catalog Compound: 6 COAsLive data

Availability

In stock

Last checked

51 minutes ago

AC-Semax NH2 (10mg) Behemoth Labz
CGrade C
Cognitive & mood

$69

$6.85/mg

+76% vs median/mg

Vendor catalog Compound: 6 COAsLive data

Availability

In stock

Last checked

8 days ago

Semax 30mg Swiss Chems
C-Grade C-
Cognitive & mood

$74

$2.47/mg

-37% vs median/mg

Vendor catalog Compound: 6 COAsLive data

Availability

In stock

Last checked

2 hours ago

Semax 10mg Sports Technology Labs
AGrade A
Cognitive & mood

$80

$8.00/mg

+105% vs median/mg

Testing unverified Compound: 6 COAsLive data

Availability

In stock

Last checked

2 hours ago

Semax 10mgCernum Biosciences
C-Grade C-
Cognitive & mood

$84

$8.40/mg

+115% vs median/mg

Testing unverified Vendor flaggedLive data

Availability

In stock

Last checked

21 minutes ago

Commonly researched together

Often stacked with Semax

Compounds the research community frequently discusses alongside Semax. Not a protocol or a recommendation — a starting point for what to read about next.

Independent testing

Semax — independent lab tests

Real, publicly verifiable third-party tests. Purity is read from the certificate itself. A test reflects one lab’s result for one submitted batch — not a guarantee that every vial matches.

How does this data get here?

Every record below is a real certificate of analysis, gathered two ways: from the public verification feeds that independent labs (like Janoshik) publish, and from the certificates vendors post on their own product pages. We open each certificate document and read the measured purity, content, batch, and date directly off it — a scraper can’t read a number printed inside an image, so this is done by machine vision, then recorded here with a link back to the original.

Nothing here is typed in by a vendor or invented by us. Where a certificate is missing, we say so rather than filling the gap.

We re-check the lab feed, too. A “still listed” tag means the certificate is currently public in Janoshik’s database — we re-verify against the live feed and stamp the date. If a cert is later pulled, the tag flips. It’s a freshness check on the same source, not a second independent opinion.

What a certificate does & doesn’t prove

Three different questions. Purity (“how clean?”), identity (“is it the right molecule?”, a mass-spec test), and content (“did I get the labeled mg?”) are separate. A vial can be 99% pure and still be the wrong peptide, or the right peptide underdosed. We flag the measured dose against the label above; underdosing is the most common real fraud.

Who submitted the sample matters. Most of these are vendor-submitted — the seller chose which vial to send, so one good certificate doesn’t prove every batch is the same. The gold standard is a blind test, where a buyer sends a vial they bought as a normal customer. Same label doesn’t prove same product; same batch number doesn’t prove same batch.

100.0%

highest tested purity

CertificateManufacturerBatchPurityContent / doseLab
EZ PeptidesEZP-SEMX1003072026-0999.96%11.28 mg; 11.46 mg; 11.48 mgJanoshik Analytical Verify
cocerpeptides.comCS-nasa10-050999.91%12.55/10mg ·Janoshik Analytical Still listed Verify
cocerpeptides.comCS-nasa10-040899.56%13.08 mgJanoshik Analytical Still listed Verify
https://www.htraresearch.cn99.28%5.68/5mg · fullJanoshik Analytical Still listed Verify
Certificate of analysisChameleon Peptides99.24%5.37 mgJanoshik Analytical View
https://crystalpeptides.eu/Se1010CP99.02%9.58 mgJanoshik Analytical Still listed Verify
Certificate of analysisNootropic Source99.65% Vendor self-tested View

Tested batches

Batch test records for Semax

The full test history for one batch — who picked the sample, who tested it, and what came back. It describes the vials that were tested, never every vial they sold.

All batch records

Research notes aren’t product proof

Research summaries describe published literature and market data only. They do not establish the identity, quality, safety, or legal status of any listed physical product.