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Peptides for Focus and Memory: What Has Been Studied
Semax and Selank show cognitive and mood effects in mostly older Russian studies; rigorous modern human trials are lacking. Both are research-use-only, not approved for human use.
Most discussed here: Semax · Selank
The compounds
Each one leads with how strong its human evidence is, and what that rating is based on.
- Research peptidesSynthetic tripeptide (Glu-Asp-Arg)
Pinealon
Sold for cognition, focus and healthy aging.
- Research peptidesTuftsin-derived heptapeptide
Selank
Sold as a nootropic for focus, memory and mood. Used clinically within Russian medicine.
- Research peptidesACTH-derived peptide
Semax
Sold as a nootropic for focus, memory and mood. Used clinically within Russian medicine.
The reading
- Research peptides
Pinealon: Twenty-Two Papers and No Clinical Trials
Pinealon is a three-amino-acid peptide with a mechanism hypothesis and essentially no human evidence. This is the shortest page on the site, and that is the finding.
Read guide→ - Research peptides
Semax and Selank: Where That Russian Research Actually Sits
Both rest on a real but narrow literature: mostly Russian-language, mostly two decades old, never independently replicated. We counted it rather than repeating it.
Read guide→