Peptide • Brain, mood & cognition
Semax
Also called ACTH(4-7)-Pro-Gly-Pro
What it is, the potential benefits being studied, and what the evidence supports right now.
Early human research•Research-stage compound•Checked 2026-08-21
01 • Start here
Potential benefits being studied.
Stroke recovery, cognition, attention, and neuroprotection claims.
- Recovery & tissue research
- Brain & cognition
02 • Why it stands out
The simple explanation.
Semax is studied for brain signaling, attention, and resilience during neurological stress.
03 • Research highlight
Why researchers are interested.
It is most interesting as a cognition-focused peptide, although the broader clinical picture is still developing.
Evidence detailsStudy limits, status, and safety context
Study summary: Human clinical literature exists, including older neurologic studies, while much of the BDNF/TrkB and brain-penetration discussion comes from animal or mechanistic research.
What to keep in mind: The literature does not justify claims that Semax “grows the brain” or establish generalized cognitive enhancement in healthy people. Route-specific claims should match the route actually studied.
Potential benefits describe research questions, not a promise that a product will produce the same result in a person.