MEHFPGP · Semax nootropic

Semax: research profile.

N-acetylated analog of ACTH(4-7) studied in cognitive research and neuroprotection. Used clinically in Russia for stroke and cognitive rehabilitation.

peptide
Category
~15-45 min (intranasal)
Half-life
human_trials
Status
Human TrialsMEHFPGP · Semax nootropic

Properties

Category
peptide
Molecular weight
813.9 g/mol
Half-life
~15-45 min (intranasal)
Storage
Room temp (stable)
CAS number
80714-61-0

Mechanism

Pro8-Gly9-Pro10-modified ACTH fragment. Studied for BDNF upregulation, enkephalin modulation, and effects on cortical monoamine systems.

Research sourcing

For research purposes only
Affiliate disclosure: This page contains affiliate links. We may earn a commission when you purchase through these links, at no additional cost to you.
Amino Club

Semax (research grade)

Verified
  • Batch tested
  • US manufactured
  • CoA available
  • Fast shipping
View on Amino Club →

Use code PROTOSI at checkout

Pantheon Peptides

Semax (research grade)

Verified
  • Partner verified
  • Research-grade
  • Quality tested
  • Fast shipping
Swiss Chems

Semax (research grade)

Verified
  • Broad catalog
  • Research-grade
  • Third-party tested
  • International shipping
Dynamic Peptide

Semax (research grade)

Verified
  • Partner verified
  • Auto-applied discount
  • Research-grade
  • Fast shipping
View on Dynamic Peptide →

Use code protosihealth at checkout

Apollo Peptide Sciences

Semax (research grade)

Verified
  • Partner verified
  • Research-grade
  • Quality tested
  • Broad catalog
Ignite Peptides

Semax (research grade)

Verified
  • Partner verified
  • Research-grade
  • Quality tested
  • Fast shipping
Pure Rawz

Semax (research grade)

Verified
  • Broad catalog
  • Research-grade
  • Third-party tested
  • Fast shipping
Behemoth Labz

Semax (research grade)

Verified
  • Broad catalog
  • Research-grade
  • Third-party tested
  • Fast shipping

Eight vetted suppliers listed. Pricing, catalog, and availability vary — check each before purchasing.

Primary research

Read what the peer-reviewed literature actually says about Semax directly on PubMed.

Open PubMed search