Semax
Synthetic peptide studied in clinical and preclinical models for cognitive enhancement and neuroprotection
Last updated: March 1, 2026
- Compound
- Semax
- Class
- Cognitive peptide
- Summary
- Synthetic peptide studied in clinical and preclinical models for cognitive enhancement, neuroprotection, memory & learning support.
- Mechanism
- Broad Transcriptomic Response
- Research Status
- Approved
- Routes Studied
- Intranasal administration
- Evidence Level
- Clinically validated · Approved therapeutic
What Should You Know About Semax?
- What is Semax?
- Semax is a synthetic peptide studied in clinical and preclinical models for cognitive enhancement and neuroprotection.
- Is Semax clinically proven?
- Semax is an approved therapeutic with established clinical evidence.
- What has Semax been studied for?
- Semax has been studied in clinical and preclinical settings of cognitive enhancement, neuroprotection, memory & learning support and has received regulatory approval in at least one jurisdiction.
- Is Semax approved?
- Semax is an approved therapeutic in at least one jurisdiction. Regulatory status varies by country. Consult a local specialist for guidance.
What Is Semax?
Semax (Met-Glu-His-Phe-Pro-Gly-Pro) is a synthetic heptapeptide analogue derived from the adrenocorticotropic hormone (ACTH) fragment 4-10. Developed at the Institute of Molecular Genetics of the Russian Academy of Sciences in the 1980s, Semax has been approved as a prescription medication in Russia and several CIS countries since 2001, primarily for cognitive enhancement, neuroprotection, and stroke recovery. Its development represents one of the most clinically validated nootropic peptides in existence, with over...
Evidence Summary
Semax is an approved therapeutic with established clinical evidence and regulatory approval in at least one jurisdiction.
Evidence Breakdown
| Domain | Evidence Level |
|---|---|
| Cognitive Enhancement | Limited |
| Neuroprotection | Limited |
| Memory & Learning Support | Limited |
| Mood Stabilization | Limited |
| Human clinical evidence | Established |
| Safety data | Established |
Editorial Position
Semax is an approved therapeutic with established clinical evidence. As with any pharmaceutical compound, individual suitability should be discussed with a specialist.
Regulatory Status Snapshot
- Approved as a therapeutic drug in at least one jurisdiction
- Safety and efficacy established through regulatory review processes
Need help interpreting this evidence for your situation?
Talk to a SpecialistA deep research review for Semax is not yet available. This compound profile is based on published peer-reviewed references listed below.
Browse all research reviewsWhat Has Semax Been Studied For?
Research areas where Semax has been investigated in published studies
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Cognitive Enhancement Semax has been studied in clinical and preclinical studies of cognitive enhancement.
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Neuroprotection Semax has been studied in clinical and preclinical studies of neuroprotection.
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Memory & Learning Support Semax has been studied in clinical and preclinical studies of memory & learning support.
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Mood Stabilization Semax has been studied in clinical and preclinical studies of mood stabilization.
How Does Semax Work?
These mechanisms have been established through clinical and preclinical research.
- 01 BDNF & NGF Upregulation
- 02 Dopaminergic Modulation
- 03 Serotonergic Pathway Influence
- 04 Enkephalinase Inhibition
Not sure if Semax is right for you?
A specialist can review the evidence, evaluate your medical context, and help you make an informed decision about Semax.
Community Reports (Anecdotal)
Experiences shared here are self-reported and do not represent clinical evidence.
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How Is Semax Administered?
Semax is available via Intranasal administration. Appropriate use and protocol should be determined by a qualified specialist.
What Are the Specifications of Semax?
What Conditions Has Semax Been Linked To?
Have Questions About Semax?
Published studies on Semax can be found on PubMed and other peer-reviewed databases. Our references section below lists key citations.
Semax is available as a research compound in Thailand. Consult a qualified specialist to discuss whether it is appropriate for your needs.
A qualified specialist experienced with peptide therapies can help you understand the current evidence and determine suitability.
Ready to discuss Semax with a specialist?
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Book a Consultation Free initial consultation. No obligation.Reviewed by the Peptide Science Thailand Editorial Team.
Last reviewed: March 1, 2026