No independent test of Cernum Biosciences' Semax yet
- Cernum Biosciences carries a certificate-integrity flag on record — treat its claims with extra caution.
- Semax generally tests around 99.3% purity across 9 independent certificates — but from other makers, so treat it as a benchmark, not proof of this seller's stock.
- We couldn't place this listing's price — its size isn't readable or the market's too thin — so there's no cheap-fake check here.
How to verify this yourself
To verify before you buy: ask Cernum Biosciences for the Janoshik COA for your batch number, then paste it into Verify — VialGrade confirms it's a real, unedited lab record.
Open the Verify toolSemax 1 vial
A synthetic heptapeptide derived from the ACTH(4-10) fragment with an added C-terminal Pro-Gly-Pro motif.
Observed price
We can't read this listing's size (e.g. a multi-size or combo pack), so we can't compare its cost-per-mg against the market. The sticker price above is exact.
- Availability
- Unavailable
- Checked
- 9 hours ago
Hands you to cernumbiosciences.com — VialGrade doesn’t sell or take payment
Some vendor links may earn VialGrade a commission. It never changes a grade, a price, or where a listing ranks.
Cernum Biosciences
Unclaimed page
0
Lab tests
—
Median purity
28
Listings
Real listing aggregated from the vendor's public page. Buying happens on their site, never on VialGrade — we take no payment and hold no stock. These are sold for laboratory research use only, not for human consumption; the seller sets their own terms and age limits at checkout.
No independent test of Cernum Biosciences' Semax yet
- Cernum Biosciences carries a certificate-integrity flag on record — treat its claims with extra caution.
- Semax generally tests around 99.3% purity across 9 independent certificates — but from other makers, so treat it as a benchmark, not proof of this seller's stock.
- We couldn't place this listing's price — its size isn't readable or the market's too thin — so there's no cheap-fake check here.
How to verify this yourself
To verify before you buy: ask Cernum Biosciences for the Janoshik COA for your batch number, then paste it into Verify — VialGrade confirms it's a real, unedited lab record.
Open the Verify toolCompare by real cost
Every Semax listing, cheapest per mg first
Sticker prices hide the size, so listings are ranked by what a milligram actually costs — with independently tested purity where it exists. All 45 are here: the last 7 are listings whose vendor never published a strength we can read, so they have no per-mg figure to sort on.
| # | Vendor | Size | Price | Per mg | Tested purity | Real $/active mg | |
|---|---|---|---|---|---|---|---|
| 1 | Umbrella Labs | 90mg total90 Milligrams Liquid Spray each | $100 | $1.11/mg · too cheap? | — | $1.12/mgbest value | View |
| 2 | Nootropic Source | 30mg total | $35 | $1.17/mg · too cheap? | — | $1.17/mg | View |
| 3 | Nootropic Source | 60mg total600mcg+ per spray (10mL bottle @ 6mg per mL) each | $70 | $1.17/mg · too cheap? | — | $1.18/mg | View |
| 4 | Nootropic Source | 20mg total200mcg+ per spray (10mL bottle @ 2mg per mL) each | $30 | $1.50/mg · too cheap? | — | $1.51/mg | View |
| 5 | Peptide Pros | 30mg total | $58 | $1.94/mg | — | $1.96/mg | View |
| 6 | Nootropic Source | 30mg total300mcg+ per spray (10mL bottle @ 3mg per mL) each | $60 | $2.00/mg | — | $2.01/mg | View |
| 7 | Biotech Peptides | 25mg total | $53 | $2.12/mg | — | $2.14/mg | View |
| 8 | Umbrella Labs | 30mg total | $70 | $2.33/mg | — | $2.35/mg | View |
| 9 | Umbrella Labs | 30mg total30 Milligrams Liquid Spray each | $70 | $2.33/mg | — | $2.35/mg | View |
| 10 | Core Peptides | 25mg total | $60 | $2.40/mg | — | $2.42/mg | View |
| 11 | Swiss ChemsUnavailable | 300mg totalKIT (10 vials) each | $740 | $2.46/mg | — | $2.48/mg | View |
| 12 | Swiss Chems | 30mg total | $74 | $2.47/mg | — | $2.48/mg | View |
| 13 | Ion PeptideUnavailable | 30mg total | $99 | $3.30/mg | — | $3.32/mg | View |
| 14 | Behemoth Labz | 30mg total | $100 | $3.34/mg | — | $3.37/mg | View |
| 15 | Behemoth LabzUnavailable | 60mg total | $201 | $3.34/mg | — | $3.37/mg | View |
| 16 | PurerawzUnavailable | 30mg total | $101 | $3.36/mg | — | $3.39/mg | View |
| 17 | Felix Chemical Supply | 10mg total | $35 | $3.50/mg | — | $3.53/mg | View |
| 18 | Bluum Peptides | 10mg total | $39 | $3.90/mg | — | $3.93/mg | View |
| 19 | Modern Aminos | 10mg total | $42 | $4.20/mg | — | $4.23/mg | View |
| 20 | Ascend Bio LabsUnavailable | 30mg total3 Vials / 10MG each | $128 | $4.27/mg | 99.1% | $4.31/mg | View |
| 21 | Ez Peptides | 10mg total | $44 | $4.40/mg | 100.0% | $4.40/mg | View |
| 22 | Ascend Bio LabsUnavailable | 20mg total2 Vials / 10MG each | $90 | $4.50/mg | 99.1% | $4.54/mg | View |
| 23 | Ion PeptideUnavailable | 10mg total | $49 | $4.90/mg | — | $4.94/mg | View |
| 24 | Umbrella Labs | 10mg total10 Milligrams Peptide Vial each | $50 | $5.00/mg | — | $5.04/mg | View |
| 25 | Ascension PeptidesUnavailable | 10mg total | $50 | $5.00/mg | — | $5.04/mg | View |
| 26 | Ascend Bio LabsUnavailable | 10mg total | $53 | $5.30/mg | 99.1% | $5.35/mg | View |
| 27 | Simple PeptideUnavailable | 10mg total | $55 | $5.50/mg | — | $5.54/mg | View |
| 28 | Bluum Peptides | 5mg total | $29 | $5.80/mg | — | $5.84/mg | View |
| 29 | Chameleon PeptidesUnavailable | 100mg total10mg · 10-vial kit each | $581 | $5.81/mg | 99.2% | $5.86/mg | View |
| 30 | Chameleon Peptides | 50mg total5mg · 10-vial kit each | $308 | $6.16/mg | 99.2% | $6.21/mg | View |
| 31 | Chameleon Peptides | 50mg total10mg · 5-vial pack each | $323 | $6.46/mg | 99.2% | $6.51/mg | View |
| 32 | Chameleon Peptides | 10mg total | $68 | $6.84/mg | 99.2% | $6.89/mg | View |
| 33 | Behemoth LabzUnavailable | 10mg total | $69 | $6.85/mg | — | $6.90/mg | View |
| 34 | Behemoth Labz | 10mg total | $69 | $6.85/mg | — | $6.90/mg | View |
| 35 | PurerawzUnavailable | 10mg total | $69 | $6.88/mg | — | $6.93/mg | View |
| 36 | Chameleon Peptides | 25mg total5mg · 5-vial pack each | $187 | $7.48/mg | 99.2% | $7.54/mg | View |
| 37 | Sports Technology Labs | 10mg total | $80 | $8.00/mg | — | $8.06/mg | View |
| 38 | Cernum Biosciences | 10mg total | $84 | $8.40/mg | — | $8.46/mg | View |
| Listed, but not rankable — no published strength to price per mg | |||||||
| — | Eternal Peptides | 1 vial | $19 | no size published | — | — | View |
| — | Nootropic Source | 1 vial | $25 | no size published | — | — | View |
| — | PurerawzUnavailable | 1 vial | $35 | no size published | — | — | View |
| — | Chameleon Peptides | 1 vial | $40 | no size published | 99.2% | — | View |
| — | Cernum BiosciencesUnavailable | 1 vial | $44 | no size published | — | — | View |
| — | Ascend Bio LabsUnavailable | 1 Bottle | $65 | no size published | 99.1% | — | View |
| — | Ascend Bio LabsUnavailable | 2 Bottles | $128 | no size published | 99.1% | — | View |
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. A vendor shown as Unavailable or Low stock is priced here but not currently buyable.
Understand this compound
What is Semax?
Widely studieda.k.a. SemaxA focus-and-recovery molecule from Russian research — a fragment of a stress hormone repurposed to boost the brain's own growth factors. Prescribed in Russia after strokes; often paired with Selank.
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?
The science
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 is Semax commonly stacked with?
Compounds the research community frequently discusses alongside Semax. Not a protocol or a recommendation — a map of what to read about next.
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.
The lab evidence
What we could verify
Each row is a separate question with its own answer — one green row never vouches for the rest.
Identity
PartialThe vendor advertises third-party testing; no independent record confirms it yet.
Measured purity
UnknownNo independent purity measurement on record.
Batch traceability
UnknownNo batch on this listing matches an independent record.
Sterility
Not testedA purity certificate doesn't measure this — no such test on record.
Dose accuracy
UnknownNot something VialGrade measures — no test on record.
These certificates are for Semax across every maker VialGrade tracks — not necessarily Cernum Biosciences’s own stock. This listing’s specific evidence is the matrix above.
Independent testing
Independent lab tests on record for Semax
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
| Certificate | Manufacturer | Batch | Purity | Content / dose | Lab | |
|---|---|---|---|---|---|---|
| EZ Peptides | EZP-SEMX1003072026-09 | 99.96% | 11.28 mg; 11.46 mg; 11.48 mg | Janoshik Analytical | Verify | |
| cocerpeptides.com | CS-nasa10-0509 | 99.91% | 12.55/10mg · | Janoshik Analytical Still listed | Verify | |
| cocerpeptides.com | CS-nasa10-0408 | 99.56% | 13.08 mg | Janoshik Analytical Still listed | Verify | |
| https://www.htraresearch.cn | — | 99.28% | 5.68/5mg · full | Janoshik Analytical Still listed | Verify | |
 | Chameleon Peptides | — | 99.24% | 5.37 mg | Janoshik Analytical | View |
| Ascend Bio Labs | V260602-23-007 | 99.10% | — | Vanguard Laboratory | Verify | |
| https://crystalpeptides.eu/ | Se1010CP | 99.02% | 9.58 mg | Janoshik Analytical Still listed | Verify | |
| www.innopeptide.com | — | See report | — | Janoshik Analytical | Verify | |
| longevityprolabs.com | — | See report | — | Janoshik Analytical | Verify | |
 | Nootropic Source | — | 99.65% | — | Vendor self-tested | View |
testing advertised, but not independently confirmed
This listing advertises testing, yet no independent record in our index references Cernum Biosciences for Semax. That doesn't prove the certificate is fake — but until it resolves at the lab, treat the testing claim as unbacked, not verified.
- Vendor claim. Advertises testing.
- Independent confirmation. No record found for Cernum Biosciences. Verify the certificate at the lab before trusting it.
- Compound-level evidence. We do hold 9 independent COAs for Semax (median 99.3%) — from other makers. Use it to judge this claim.
Cross-checks the vendor’s testing claim against independent lab records. Read from the certificate, not re-measured by VialGrade. Purity is not a grade. Never a statement that a product is safe, sterile, or correctly dosed. What “grade” actually means
Price trend
—
Not available when last checked (Oct 2, 2026). Last observed price $43.99 on Aug 5, 2026.
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.
General information, not legal or medical advice. VialGrade sells nothing and encourages no human use.
Same compound
See the full Semax market — all 45 vendors, price history & lab tests