/ Side by side
Semax vs Selank
A neutral, side-by-side look at Semax and Selank: what each one is, its class, half-life, storage, and the public sources behind it. Educational reference only, not medical advice, dosing, or a recommendation to use either compound.
| Attribute | Semax | Selank |
|---|---|---|
| Category | Cognitive / Longevity | Cognitive / Longevity |
| Half-life | Minutes in plasma | A few minutes in plasma |
| Common vial | 5, 10, 30 mg | 5, 10 mg |
| Reference | Verified | Verified |
What is Semax?
A synthetic heptapeptide analog of the ACTH(4-10) fragment, studied as a neuroprotective and nootropic compound. Reported mechanisms include upregulation of neurotrophins (BDNF and NGF) and interaction with melanocortin and enkephalin systems.
Sources
- Peer-reviewed ACTH(4-10) analog neuroprotection (PMC8226508)
What is Selank?
A synthetic analog of the immunopeptide tuftsin, extended for stability, studied for anxiety-related and immunomodulatory effects. Reported mechanisms include modulation of GABAergic signaling, monoamines, and cytokines.
Sources
- Peer-reviewed tuftsin-analog pharmacology (PMC5322660)
Educational reference only, compiled from public sources. Not medical advice, diagnosis, treatment, or a dosing recommendation, and not a recommendation to use any compound. Many compounds listed are research materials not approved for human use. Consult a qualified professional.