What Is Selank?
The anxiolytic-class research peptide explained.
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Compound guide
What Is Semax?
A short peptide studied in cognition and neuroprotection research — what it is, how it works, and how it is handled.
Semax belongs to a group of research peptides often grouped as “nootropics” — compounds studied for their effects on the brain rather than the body. It is a short, synthetic peptide with an interesting origin in a natural hormone fragment.
Research use only. This article is an educational overview of an investigational compound. It is not medical advice, makes no treatment or dosing recommendations, and does not describe human use.
What is Semax?
Semax is a synthetic heptapeptide (seven amino acids) derived from a fragment of the hormone ACTH. It was developed in Russia and is studied primarily in neurological and cognitive research. It is supplied as a lyophilized powder for laboratory use only.
How does it work?
As an ACTH-fragment analog, Semax is studied for how it interacts with pathways in the central nervous system, including research interest in BDNF (brain-derived neurotrophic factor) signalling. It is grouped with the nootropic research peptides for that reason.
What is it studied for?
Semax is studied in the context of cognition, focus, and neuroprotection research. This is research context only — it is not a description of any effect in humans. Semax is frequently studied alongside Selank, another short Russian research peptide.
How is Semax handled in the lab?
Like most research compounds, Semax arrives as a lyophilized (freeze-dried) powder. Keep the sealed vial cool, dry, and out of light; reconstitute with bacteriostatic water (see how to reconstitute); then refrigerate the solution, where it stays stable for weeks.
Why purity matters
With an investigational compound, knowing exactly what is in the vial is everything. A reputable source provides a Certificate of Analysis (COA) showing third-party HPLC purity and mass-spec identity for that specific batch — see what is a COA.
Where to buy
Sourcing research-grade Semax
We recommend Vital Chems for tested compounds and bacteriostatic water.
- Third-party HPLC tested — COA on every order
- Same-day shipping before 1:30 PM PT
- US-based, fast and responsive support
Frequently asked questions
What is Semax?
A synthetic heptapeptide derived from a fragment of the hormone ACTH, studied in cognitive and neurological research. Supplied as a lyophilized powder for research use only.
How does Semax work?
As an ACTH-fragment analog, it is studied for its interaction with central-nervous-system pathways, including research interest in BDNF signalling.
What is Semax studied for?
It is studied in cognition, focus, and neuroprotection research contexts. This is research context only and does not describe human use.
Is Semax for human use?
No. It is supplied strictly for research and laboratory use only, not for human or animal consumption.