Semax vs. Selank
Head-to-head comparison based on the profiles in the PepCycle library.
| Attribute | Semax | Selank |
|---|---|---|
| Class | Nootropic Peptides | Nootropic Peptides |
| Description | A synthetic peptide derived from ACTH(4-10), developed for cognitive enhancement and neuroprotection with minimal hormonal effects. | A synthetic peptide derived from tuftsin with anxiolytic and nootropic properties, developed in Russia for cognitive and mood enhancement. |
| Dose in studies | 200-600 mcg 1-3x daily (intranasal) | 250-500 mcg 1-3x daily (intranasal or subcutaneous) |
| Frequency | 1-3x daily for 2-4 weeks | 1-3x daily for 2-4 weeks |
| Half-life | ~30 seconds to few minutes | ~3-5 minutes (but effects last hours) |
| Cycle length | 2-4 weeks on, 1-2 weeks off | 2-4 weeks on, 1-2 weeks off |
| Research level | 2/5 – Limited research | 2/5 – Limited research |
Semax: full profile · Selank: full profile
Values from research literature – not medical advice.