Semax (MEHFPGP, ACTH (4-7) Pro-Gly-Pro) — Peptide Encyclopedia | RetatrutideCompare

Increases BDNF and NGF in hippocampus; activates dopaminergic and serotonergic systems; melanocortin receptor activity.

Reference facts

Also known as
MEHFPGP, ACTH (4-7) Pro-Gly-Pro
Category
Nootropic & Cognitive
Mechanism of action
Increases BDNF and NGF in hippocampus; activates dopaminergic and serotonergic systems; melanocortin receptor activity.
Targets
BDNF/NGF up-regulation, Melanocortin receptors
Indications under research or approved
Approved Russia (ischemic stroke, cognitive disorders); not US-approved
Regulatory status (reference entry)
Not FDA-approved
Half-life
~30 minutes (intranasal)
Sequence
MEHFPGP
Sequence notes
Heptapeptide. ACTH (4-7) fragment Met-Glu-His-Phe extended with the proline-glycine-proline tail used in Russian peptide design to resist enzymatic degradation.
Molecular weight (Da)
813
First reported
1981

Primary References

Explore research articles about Semax

This is an educational reference, not medical advice. Research findings do not establish safety or efficacy for self-administration. Consult the primary sources for study populations, limitations, and current regulatory status.