Russian intranasal neuropeptides

Semax vs Selank

The table compares the compounds’ key data from their entry pages. Open each compound’s full entry for details. Educational content, not medical advice.

What it is
SemaxRussian Rx heptapeptide (ACTH 4-10 analog). Stroke rehab + cognitive enhancement, intranasal spray.
SelankTuftsin-analog heptapeptide (TKPRPGP). Anxiolytic + cognition without sedation, intranasal.
Mechanism
SemaxACTH(4-10) heptapeptide, BDNF-mimicking
SelankTuftsin analog, GABA + BDNF
Half-life
Semax20-30 min (intranasal)
Selank20-30 min (intranasal)
Onset
Semax10-15 min
Selank5-15 min
Legal status
SemaxRussia Rx, EU/USA research
SelankRussia Rx, EU/USA research