Compare · Nootropic peptide
Selank vs Semax
Both are nootropic peptide compounds. Here's how they line up on the evidence — graded the same way.
| Selank | Semax | |
|---|---|---|
| Evidence | Preliminary human | Preliminary human |
| Class | Nootropic peptide | Nootropic peptide |
| Summary | A Russian-developed anxiolytic peptide approved in Russia but unproven by Western standards; human trials are small, early, and single-country. | A Russian-approved nootropic/neuroprotective peptide whose human evidence is real but small, mostly Russian-language, and methodologically thin. |
| Full profile → | Full profile → |
Selank
Selank is a synthetic peptide developed in Russia and marketed online as an anti-anxiety and "nootropic" compound. The human evidence is real but thin, almost entirely Russian, and small in scale.
Semax
Semax is a synthetic peptide developed in Russia in the late 1980s and used there as a prescription drug for stroke and cognitive disorders. It is not approved anywhere in the West, and most of the research is in Russian.