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.
| Semax | Selank | |
|---|---|---|
| What it is | Russian Rx heptapeptide (ACTH 4-10 analog). Stroke rehab + cognitive enhancement, intranasal spray. | Tuftsin-analog heptapeptide (TKPRPGP). Anxiolytic + cognition without sedation, intranasal. |
| Mechanism | ACTH(4-10) heptapeptide, BDNF-mimicking | Tuftsin analog, GABA + BDNF |
| Half-life | 20-30 min (intranasal) | 20-30 min (intranasal) |
| Onset | 10-15 min | 5-15 min |
| Legal status | Russia Rx, EU/USA research | Russia Rx, EU/USA research |
| Full entry | Open → | Open → |
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
Full entry