PE 22-28 vs Semax
Which should you choose? Here's what you need to know.
The short answer
PE 22-28 and Semax are both cognitive / neuro peptides, but they work differently. A synthetic peptide derived from ACTH (4-10) developed in Russia as a nootropic and neuroprotective agent. Available as a prescription nasal spray in Russia. Compare vendor pricing and availability below.
PE 22-28
Cognitive / NeuroSemax
Cognitive / NeuroA synthetic peptide derived from ACTH (4-10) developed in Russia as a nootropic and neuroprotective agent. Available as a prescription nasal spray in Russia.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options.
PE 22-28
Semax
$39.99
Starting from
$21.99
$6.15
Avg. price per mg
$4.71
21
Vendors selling it
57
18 options
In stock now
56 options
8.7/10
Top trust score
9.1/10
Ready to buy?
Our top-rated vendor for each, based on trust scores, purity testing, and price.
Where does this data come from?
We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.