Category: peptide
Aliases: ACTH(4-7)-PGP, N-acetyl semax (NA-Semax)
N-terminal ACTH(4-7) fragment + C-terminal Pro-Gly-Pro stabilisation. Upregulates BDNF / NGF, modulates enkephalin-degrading enzymes (shares pathway with selank), and has melanocortin-family residual activity. Used in Russia for stroke recovery + ADHD-like cognitive complaints. No Western regulatory approval.