Your goal
Sharper focus and memory
Here's the honest truth: no peptide is a proven brain booster for healthy people who just want to think sharper. The real human evidence is in sick or injured brains - stroke, dementia, brain injury - not in everyday focus. A few compounds are genuinely interesting, and a lot of the rest is hype resting on rat studies.
What actually works
1The strongest real evidence for this goal.
Promising, still unproven
4Interesting early signals — not proven yet.
Semax
EmergingA real prescription drug in Russia with genuine human data - but for stroke recovery, not focus. Its use as an everyday focus and memory booster still rests on small brain-scan and rat studies.
Selank
EmergingHas real human data for calming anxiety, which can help you focus, but its memory benefits so far are only shown in animals.
Exenatide
EmergingA diabetes drug being seriously studied for protecting the brain in Parkinson's and Alzheimer's, with early but real human signals.
Dulaglutide
EmergingAnother diabetes injection with a preliminary hint of slower mental decline, but the cognitive evidence is very early and exploratory.
Mostly hype - be skeptical
5Lots of buzz, little human proof. Tread carefully.
Adamax
EarlySold as a stronger Semax, but almost none of the research is actually on this tweaked version.
Pinealon
EarlyA Russian anti-aging peptide studied mostly in old rats and lab dishes, with only a few small human studies.
EPO
EarlyA proven anemia medicine whose supposed brain-protecting effect has never been shown in people.
P21
EarlyAn Alzheimer's research peptide tested only in mice and rats, never in humans.
Dihexa
EarlyFixed memory in rodents but has never been tested in a single human study.
The honest bottom line
If you remember one thing: the best human evidence for these peptides is in damaged brains, not healthy ones. For everyday focus, treat every claim with healthy skepticism.
How to read the strength meter