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Cognition

Semax for Sale

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Focus and Mental Clarity

Peptara Labs sells Semax online as a 10mg research-grade vial for $150 USD, which is $15.00 per mg, and the released batch, lot SMX-260407-A, tested at 99.05% purity by HPLC on a published third-party certificate. It is available to order now and ships tracked in 5 to 10 business days, guaranteed, or free to the US in 2 to 3 days when every item ships from the US warehouse, and it is sold for research use only.

$150 USD

Flat $35 tracked shipping10mg per vial

1vial

$150 USD

$150.00 per vial

Add 2 more, unlock 19%

Certificate of analysis results for Semax, lot SMX-260407-A
TestResultVerdict
Purity99.05%PASS
IdentityConfirmedPASS
SterilityNo growthPASS
EndotoxinWithin limitPASS
Heavy metals + fentanylNot detectedPASS
LOT SMX-260407-AView certificate
Peptara Labs Semax 10mg vial

Shipping, delivery and guarantee terms

Shipping
Flat $35, tracked worldwide to supported markets
Delivery
2 to 3 days in the US · elsewhere 5 to 10 business days, guaranteed
Payment
Card, bank transfer, or crypto · All sales final except a purity failure
Included
60-day money-back guarantee · Third-party batch COA

Buyer facts

What do you get when you buy Semax from Peptara Labs?

You get one sealed 10mg vial of lyophilized Semax powder, the synthetic ACTH(4-10) based peptide developed in Russia, with bacteriostatic water in the order, from a batch whose third-party certificate is published in full: lot SMX-260407-A, 99.05% purity by HPLC. The table reads each figure from the same catalog, pricing and certificate records the checkout uses.

DetailPeptara Labs Semax (10mg)Where to check it
Vial10mg of lyophilized Semax powder in a sealed vial, with bacteriostatic water in the orderCertificate COA-2026-6071, net content 10.16 mg
Price$150 USD a vial, or $127 with the 15 percent email-signup discount on a first orderThe order panel above
Price per mg$15.00 at the single-vial priceSemax price per vial
Multi-vial price40% off at 10 vials, $90 eachThe order panel above
AvailabilityAvailable to order nowThe order panel above
Purity99.05% by HPLC, lot SMX-260407-A, tested June 2026Certificate COA-2026-6071
IdentityConfirmed by LC-MSCertificate COA-2026-6071
Testing labTitreon Analytical, quality system aligned to ISO/IEC 17025:2017 (not itself accredited)Certificates of analysis
Shipping and deliveryFlat $35 tracked shipping to the United States, Canada, the United Kingdom and New Zealand, free over $250, and free to the US in 2 to 3 days when every item ships from the US warehouse. Otherwise delivery takes 5 to 10 business days, guaranteed.Shown again at checkout, before payment
Guarantee60-day money back guarantee: a full refund if an independent lab test does not match the certificate. All sales otherwise final.The guarantee section on this page
StatusResearch use only. Outside Russia Semax is treated as a research compound, and the large independent Western trials common to approved drugs do not exist for it.What the Semax research reports

The per-mg and multi-vial math is broken down on the Semax price per vial page. The complete Semax guide covers the published research in full, and Selank is the sister peptide it is most often compared with. The reconstitution calculator does the arithmetic for a lyophilized vial and reports it in units rather than mL.

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Before you buy

What should you check before you buy Semax?

Check that the certificate proves the batch is Semax, not only that the sample is pure, and that the listing is honest about what form it is selling. The released batch, lot SMX-260407-A, shows identity by LC-MS, 99.05% purity by HPLC against a not-less-than 95.0% release criterion, and 10.16 mg of net content in a 10mg vial.

  • Vial or spray. Searches for a Semax spray and a Semax vial lead to different products. What ships here is a lyophilized powder in a sealed vial; Peptara Labs does not sell a ready-made nasal spray and publishes no recipe for making one.
  • Semax or N-Acetyl Semax Amidate. N-Acetyl Semax Amidate is a chemically modified, distinct compound. What ships here is plain Semax, so a listing should say which of the two it sells and the certificate should match that name.
  • Identity, not only purity. A purity figure says a sample is mostly one compound; the LC-MS identity result is what says that compound is Semax.
  • The rest of the panel. Titreon Analytical's certificate also reports net content, sterility, bacterial endotoxin, heavy metals and a fentanyl screen.
  • Your own batch. Vials ship unlabeled on purpose, so verification runs on your order number. Send it to us on WhatsApp and we will confirm the exact batch you received and its published certificate.

The checks that apply to any seller are in how to verify peptide purity, and the full certificate for this batch is on the Semax certificate card.

The short answer

What is Semax?

Semax is a synthetic peptide based on a fragment of the hormone ACTH, the ACTH(4-10) sequence, developed in Russia and studied there as a nootropic for attention, memory, and neuroprotection. Animal research reports that it raises brain-derived neurotrophic factor (BDNF), a growth factor tied to learning (Dolotov et al., 2006), and clinical work from Russian groups has examined it in settings such as ischemic stroke (Gusev et al., 2018). Outside Russia it is treated as a research compound: the large independent Western trials common to approved drugs do not exist for it, which is the central caveat on everything here. Published protocols describe intranasal and subcutaneous use in short courses, always reported in units rather than mL, and those figures are what studies used, not a dose for any person.

The Science

A Neuropeptide for Focus

Semax is a short fragment related to a naturally occurring hormone. Research, much of it from Russian groups, points to effects on BDNF and attention-related signaling. We present it honestly as a promising nootropic rather than a proven drug.

BDNF Signaling

Studied for its influence on brain-derived neurotrophic factor, involved in learning and neuroprotection.

Attention Support

Attention under sustained mental load is one of the studied endpoints.

Non-Stimulant

It is not studied as a stimulant, and its research profile differs from caffeine-type compounds.

Applications

Common Use Cases

Deep-Work Focus

Short courses during high mental demand is the pattern published protocols describe.

Mental Clarity

Verbal fluency appears alongside attention and memory in the studied endpoints.

Cognitive Stack

Paired with Selank for balanced focus and calm.

Neuroprotection Interest

Studied for BDNF-related neuroprotective signaling.

Comparison

Semax vs Selank: how do they compare?

Semax and Selank are sister peptides from the same Russian research tradition, and they are often studied and stacked together. The short version: Semax leans toward focus and mental clarity, while Selank leans toward calm and reduced anxiety. Semax is a fragment-based analog of the hormone ACTH studied for attention, memory, and BDNF (Dolotov et al., 2006); Selank is an analog of the immune peptide tuftsin studied as an anxiolytic acting on GABA and serotonin signaling.

FeatureSemaxSelank
Parent moleculeACTH(4-10) fragment analogTuftsin (immune peptide) analog
Studied focusAttention, memory, BDNFAnxiolytic (calm), GABA and serotonin
Common research angleFocus and cognitionCalm and reduced anxiety
Routes studiedIntranasal, subcutaneousIntranasal, subcutaneous
Evidence baseMostly Russian research groupsMostly Russian research groups

Because their studied profiles complement each other, the two are frequently paired so focus does not tip into overstimulation and calm does not tip into dullness. See the Selank page for the calm side of the pairing. Neither is an approved drug, and any protocol is a decision for a licensed clinician.

How it is used in research

Semax nasal spray or injection: which route do studies use?

The published work describes two routes. Intranasal Semax, given as drops or a spray, is the more commonly described route in the Russian literature, and much of the clinical work used it (Gusev et al., 2018). A subcutaneous route also appears. Both are used in short, pulsed courses rather than continuous administration, and figures are reported in units rather than mL.

Published intranasal protocols describe repeated dosing across the day rather than a single daily dose. This page does not provide a recipe for preparing a nasal spray or a dose for any individual: how a compound is prepared and administered is a decision for a licensed clinician, and the reconstitution calculator only works the concentration math for a lyophilized vial.

Research Timeline

What the studies measured, and when

Research timeline

What the studies measured, and when

What it is

Semax is a synthetic ACTH(4-10) analog, studied for attention, memory and BDNF expression endpoints.

Week 1

Most common reported window for noticing steadier concentration during demanding mental work.

Pulsed courses

Published protocols describe short courses rather than continuous administration. The site reports those ranges and picks no schedule for anyone.

Evidence base

Most of the published clinical work comes from Russian research groups; large independent Western trials are limited. That gap is the central caveat on every figure here.

Your Kit

What's Included

What ships with the Semax order: vial, bacteriostatic water and container

$150 USD

Flat $35 shipping · All sales final

Order Semax

Semax 10mg Vial

10mg per vial · Lyophilized powder, sealed vial

Study Protocol Reference

The intranasal and subcutaneous ranges published studies used

Worldwide Shipping

5 to 10 business days, guaranteed

Ongoing order support

Direct team access

Your kit includes the vials and bacteriostatic water. Syringes for reconstitution ship to select delivery regions; where they can't ship, we send a same-day sourcing link. A printed reference guide ships with every order.

Research dose ranges
Reconstitution calculator
WhatsApp support
60-day money back

Traveling with your order

Freeze-dried vials travel well; reconstituted vials travel cold. Rules vary by country. Share your dates when you order.

Why your vials arrive plain

Unlabeled on purpose: discreet, and standard for research-grade material. Match a batch to its certificate with your order number. See the COA page.

Verified orders

What buyers said about their Semax order

5.00 · 8 reviews from orders containing this vial. Published word for word.

★★★★★

third order from these guys. caps are tighter this time compared to last month, and the tray was a new design with a little ridge that keeps the vials from rolling. i sent the semax off to a reference lab up the street, came back at 99.2% assay, hplc. tracking was smooth, app updated every step. box was about two pounds, heavier than i guessed for three vials. all good.

Anonymous - Melbourne

Verified order · BPC-157, CJC-1295 / Ipamorelin, Semax · Aug 18, 2026

★★★★★

I ordered on a wednesday night and it shipped the very next morning which is faster than i have seen from anyone else doing this. The box arrived with no visible transit damage, tape intact, corners crisp and square. Both vials seated in foam so firmly that neither moved at all when i rotated the tray back and forth

R. - Miami, FL

Verified order · Semax, SLU-PP-332 · Aug 08, 2026

★★★★★

good.

Anonymous - Phoenix, AZ

Verified order · Semax · Aug 02, 2026

★★★★★

i found them through a friend of a friend who does travel medicine and just happens to keep a running list of peptide vendors that actually publish their own lab sheets instead of linking out to somebody else. first order, arrived in about the window they quoted which felt reasonable for an international haul like this one

Anon - Sydney

Verified order · Semax, Selank · Jul 20, 2026

★★★★★

a coworker texted me some peptide names she was curious about and i ended up comparing four or five labs before picking anyone, peptara just happened to be the only one that posted their own sheets without making you chase them down first. order landed roughly on schedule which felt fair for a cross border run

Piper - Perth

Verified order · Semax, Selank · Jun 14, 2026

★★★★★

third order from them and i am starting to notice small things that add up. the tray they seat vials in has a little ridge under each one now, my first order did not have that. labels are printed with slightly better contrast than before too which sounds trivial until you are squinting at tiny batch numbers on a phone screen

Simone - Phoenix, AZ

Verified order · Semax, PT-141 (Bremelanotide) · May 26, 2026

Read all 74 order reviews

Our Guarantee

We Stand Behind Our Quality.

Peptara Labs supplies research-grade Semax, third-party tested with a Certificate of Analysis on every batch. The guarantee is on the material and on how the order is handled. It is not a guarantee of any outcome.

60-Day Money Back Guarantee

Test it at any lab, or your money back

Send any vial to an independent lab within 60 days of delivery. If it does not test as stated on its certificate of analysis (COA), or your order was not handled correctly, you get a full refund. The 60 days is your window to verify us, not a shelf life. The guarantee is on product quality, never on a health outcome.

Study Protocol Reference, Included

Every order includes a written reference to the dose ranges published studies used, with the study named, plus support at no extra cost. This is not a prescription; consult a licensed physician.

Direct WhatsApp Access

Every order includes direct access to our support team. Questions about certificates, reconstitution, storage, shipping or an order, message us any time and a real person responds.

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Customers served

Consistently rated by our customers

Order Semax

Quality guarantee: full refund on any purity failure. All sales otherwise final. The 60-day money back guarantee covers product purity, certificate of analysis, and fulfillment. It is not conditioned on any outcome and does not promise one. This is educational information, not medical advice; consult a licensed physician.

Research and citations

Peer-reviewed sources

  1. Gusev EI, et al. (2018). [The efficacy of semax in the tretament of patients at different stages of ischemic stroke]. Zhurnal Nevrologii i Psikhiatrii imeni S.S. Korsakova. doi.org/10.17116/jnevro20181183261-68
  2. Panikratova YR, et al. (2020). Functional Connectomic Approach to Studying Selank and Semax Effects. Doklady Biological Sciences. doi.org/10.1134/S001249662001007X
  3. Dmitrieva VG, et al. (2010). Semax and Pro-Gly-Pro activate the transcription of neurotrophins and their receptor genes after cerebral ischemia. Cellular and Molecular Neurobiology. doi.org/10.1007/s10571-009-9432-0

Citations refer to the peer-reviewed publications these figures are taken from. Every dose range reported on this site is the range a named study used. Not a substitute for medical advice.

Buying Semax: FAQ

Where can I buy Semax?

Peptara Labs sells Semax online as a 10mg research-grade vial, ordered from this page. Outside Russia Semax is treated as a research compound, so it reaches most buyers only as research-grade material sold for laboratory research use, which makes the batch certificate the thing to compare between sources.

How much does Semax cost?

One 10mg vial is $150 USD, which is $15.00 per mg. Signing up by email takes 15 percent off a first order, which brings a vial to $127. Buying more of the same compound lowers the per-vial price on that line, to 40 percent off at 10 vials, which is $90 each.

Does Peptara Labs ship Semax to the US?

Yes. Orders to the United States, Canada, the United Kingdom and New Zealand ship tracked in 5 to 10 business days, guaranteed. Shipping is a flat $35, free over $250. US orders ship free in 2 to 3 days when every item ships from the US warehouse.

How do I verify the purity of Semax before I buy?

Read certificate COA-2026-6071 for the released batch, lot SMX-260407-A: 99.05 percent purity by HPLC, identity by LC-MS and 10.16 mg of net content in a 10mg vial, tested by Titreon Analytical, whose panel also reports sterility, bacterial endotoxin, heavy metals and a fentanyl screen. Vials ship unlabeled, so after delivery your order number on WhatsApp is what ties your vial to its batch certificate.

What comes with a Semax order?

One sealed 10mg vial of lyophilized Semax powder and bacteriostatic water to reconstitute it, plus a printed reference guide to what published studies reported. The batch certificate is published on the certificates page, because the vial itself ships unlabeled.

Is Semax sold for human use?

No. Peptara Labs sells Semax as research-grade material for laboratory research use only. The clinical work behind it comes largely from Russian groups, and nothing on this page is a dose, a route or a recommendation for any person.

Semax FAQ

What is Semax and how does it work?

Semax is a short peptide originally developed in Russia, where it has been used clinically for cognitive and neurological indications. Research suggests it influences brain-derived neurotrophic factor (BDNF) and other signaling involved in attention and neuroprotection. It is studied as a nootropic for focus and mental clarity. Outside of Russia and a few neighboring countries it is treated as a research compound, and the large multi-country trials common to Western-approved drugs do not exist for it.

How strong is the evidence?

Honest answer: most of the published clinical work comes from Russian research groups, and large independent Western trials are limited. The studied endpoints are attention, memory and BDNF expression. That evidence gap is the most important thing about this compound, and it is why nothing here is framed as a proven pharmaceutical.

Is Peptara Labs a real company?

Yes. Peptara Labs is a registered business with responsive customer support via WhatsApp. Unlike anonymous Telegram sellers, we stand behind every order with our name, reputation, and ongoing support.

Are your peptides real?

Every Semax vial comes with a third-party Certificate of Analysis (COA) confirming 98%+ purity. We source from verified manufacturers and can provide lab documentation upon request. If you want to see a COA before ordering, message us on WhatsApp and we'll send it over.

Will the peptides survive shipping and heat?

Yes. Peptides ship in their lyophilized (freeze-dried powder) form, which is stable at room temperature for weeks. Fast, tracked delivery keeps transit short. Once reconstituted with bacteriostatic water, store the vial in your refrigerator. Storage instructions are included with every order.

How is Semax taken?

The published work describes both an intranasal route, as drops, and a subcutaneous route, in short courses rather than continuous administration. Any dosing or cycling decision belongs with a licensed clinician; where amounts appear, they are reported in units rather than mL.

Can it be stacked with other peptides?

Yes. The most common pairing is Selank, its calming sister peptide, for balanced focus without overstimulation. It also fits alongside recovery peptides like CJC-1295 / Ipamorelin. Message us on WhatsApp and we will point you at what the research describes for that area.

What about side effects?

Semax is generally reported as well tolerated, with a low side-effect profile relative to stimulant nootropics. Mild irritation with the intranasal route and a change in sleep with late administration are among the reported effects. There are no large Western safety trials, which is the central limitation. Any dosing schedule is a decision for a licensed clinician.

How is the 10mg vial reconstituted?

Reconstitution is arithmetic on concentration: the volume of bacteriostatic water against the 10mg in the vial. The reconstitution calculator on this site does that math and reports the result in units rather than mL. Storage instructions ship with every order. For anything medical, including how a compound is administered, speak with a licensed physician.

Semax vs Selank: which is which?

They are sister peptides studied together. Semax leans toward focus, attention, and memory and is studied for its effect on BDNF (Dolotov et al., 2006). Selank leans the other way, toward calm and reduced anxiety, and is studied as an anxiolytic acting on GABA and serotonin signaling. Many research protocols pair the two so focus does not tip into overstimulation. Neither is an approved drug, and any protocol is a decision for a licensed clinician.

Is Semax studied for ADHD or attention?

Attention and memory are among the endpoints Semax has been studied for, and animal work ties it to BDNF signaling involved in learning (Dolotov et al., 2006). Semax is not an approved treatment for ADHD or any diagnosed condition, and nothing here should be read as treatment for one. A diagnosed condition is a matter for a treating clinician.

What is Semax's half-life?

The limited published record does not establish a firm human half-life figure, which is itself part of the evidence gap on this compound. In practice, published intranasal protocols describe repeated dosing across the day rather than a single dose. We do not publish a half-life number we cannot cite; the Semax complete guide covers what the research does and does not say.

What is N-Acetyl Semax Amidate?

N-Acetyl Semax Amidate is a chemically modified form of Semax: an acetyl group and a C-terminal amide are added to slow how quickly the peptide breaks down. It is a distinct compound from plain Semax, which is what this page covers. We make no separate outcome claims for the modified analog.

I can find cheaper peptides on Telegram.

You can. But you don't know what's in them, who made them, or how they were stored. Telegram sellers operate anonymously with no accountability. No COA. No real company behind them. No support if something goes wrong. Our price includes third-party testing, fast delivery, bacteriostatic water, COA access, and educational support. We don't just sell peptides. We make sure you get a verified, properly handled product you can trust.

Is my payment secure?

Yes. We accept Visa, Mastercard and Amex cards, bank transfer, and USDT, USDC or BTC crypto. All transactions are handled securely. For bank transfers, you'll receive confirmation once payment is verified. Your financial information is never stored. If you have concerns about a specific payment method, message us and we'll find an option that works for you.

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For research and educational purposes only. Peptara Labs is not a medical provider and this is not medical advice. These statements and products have not been evaluated by the FDA or any equivalent regulator and are not intended to diagnose, treat, cure, or prevent any disease. Research material only, not for human consumption. See our Medical Disclaimer and Terms.