For laboratory research use only - not for human consumption

ACTH-fragment peptide study material

Semax

A lab-made peptide developed in Russia, studied for its role in cognition and neuroprotection research. Supplied for laboratory research only.

Your body makes a hormone called ACTH that drives your stress response, telling your adrenal glands to release cortisol. Take a seven-piece fragment out of the middle of it and it largely stops driving that hormone response - but something that acts on the brain does not go away with it. That fragment is what Russian researchers built Semax from. Supplied freeze-dried, for laboratory research only.

Current lot pricing

$89.00 AUD

Base vial price: $89.00 AUD

Vial size11 mg
SupplySingle vial
Ships from Perth, Australia PostFree standard shipping over $250Plain, discreet packagingStore at 2-8 C

Supplied strictly as reference material for in-vitro laboratory research. Not a medicine, supplement, or food. Not for human or veterinary use.

Why this molecule is studied

Why researchers are studying it.

Start with the honest bit, because it frames the rest. Semax has been studied since the 1980s, but almost all of the clinical work was done in Russia, where it is registered as a medicine. The TGA in Australia, the FDA in the United States and EU regulators have not approved it, and there is no comparable body of research outside Russia to fill that gap.

The idea behind it is a neat one. ACTH is the hormone that drives your stress response - it is the message that tells the adrenal glands to release cortisol. Researchers noticed that a short fragment from the middle of ACTH seemed to act on the brain without driving that adrenal response in the same way. Semax is that fragment, with a short tail added so it survives long enough to be studied.

When researchers go looking for that brain effect, what they measure is BDNF and its receptor TrkB. BDNF is a growth signal for nerve cells - it helps them survive, grow and wire up new connections. It is something a researcher can read off directly, which is why it appears in so much of this work.

This page is about that research and the batch you are getting. It is not a claim about what this vial will do, and it is not for people or animals to take.

Semax research vial

The research

What the published studies found.

7

Amino acids in the Semax sequence, MEHFPGP. An identity fact, not a product claim.

Published Semax research
1980s

The decade Semax was developed at the Institute of Molecular Genetics in Russia. Background context, not a product claim.

Published Semax research

Figures outside lot paperwork describe third-party research records for the molecule. They are not Form Labs product results or use claims.

Read the full research guideIdentity, papers, and research-use boundaries

Mechanism notes

Plain-language research labels.

Where it came from, and what the studies actually measure. This is the science in the papers - not a description of what this vial does.

A hormone with the hormone taken out

ACTH is the signal that drives your stress response, telling the adrenal glands to release cortisol. Semax copies a seven-piece fragment from the middle of it - the part the research links to brain effects rather than to driving that adrenal response. A short tail was added to stop the fragment falling apart within minutes. Its lab shorthand is MEHFPGP.

What BDNF is

A growth signal for nerve cells. It helps them survive, grow, and wire up new connections to each other. Most Semax studies measure whether BDNF shifts, because it is something a researcher can read directly rather than infer.

TrkB, the receiving end

A growth signal has to be received to do anything, and TrkB is the receptor that receives BDNF - the lock to its key. Papers report the two together because measuring both tells you more than measuring either one alone.

Order anchor
Form Laboratories

Semax with live bundle pricing.

  • Independently tested for purity and identity, with the result printed on the lab report
  • A batch number on every vial that matches its lab report, so you can always check the two line up
  • Ships from Perth via Australia Post in plain, unbranded packaging, with tracking emailed
  • 30-day purity guarantee: if an independent re-test comes back below the purity on the report, we refund the order in full
Base tier
$89.00 AUD

Single vial / 11 mg / $89.00 AUD per vial

Ships after order review. Reference material for research use only.

Testing documentation
Lot-level records
Australia-wide dispatch
Plain, tracked delivery
Plain fulfilment
Discreet outer packaging
Research use only
No human-use claims

COA proof

Batch paperwork before checkout.

98.2%

Measured purity is matched to the product record and batch paperwork.

Purity test (HPLC) at or above 98%Identity confirmedScreened for bacterial residue (endotoxin)
Certificate of AnalysisSEMAX-2506
CompoundSemax
LotSEMAX-2506
Purity98.2%
Net peptide11 mg
AppearanceFreeze-dried reference material
ReleasedCurrent product record
Download COA summary

Build your stack

Study alongside other catalogue references.

These products are shown as catalogue pairings only. Add any line to the same cart for order review.

FAQ

Questions, answered plainly.

SEMAX is supplied as laboratory research material only. It is 21+ only, not for human consumption, and not for veterinary use.

Form your biology

Semax, with the batch details visible.

Before you order, check the batch number shown on the page against the lab report for that batch.

Added to cart
2026 Form Laboratories - Research use only - Perth WAPerth WA 6000 - lot-matched paperwork, dispatched Australia-wide via Australia Post