Selank vs Selank + Semax
Which should you choose? Here's what you need to know.
The short answer
Selank and Selank + Semax are both cognitive / neuro peptides, but they work differently. A synthetic analog of the immunomodulatory peptide tuftsin, developed in Russia for its anxiolytic and nootropic properties. A nootropic stack combining the anxiolytic effects of Selank with the cognitive enhancement of Semax. A popular combination in the peptide community. Compare vendor pricing and availability below.
On 20 Sep 2026 Peptide Compare tracked 58 vendors selling Selank, cheapest in stock $1.63 per mg at Bio Pepz, and 10 selling Selank + Semax, cheapest $5.00 per mg at AMC Essentials.
Selank
Cognitive / NeuroA synthetic analog of the immunomodulatory peptide tuftsin, developed in Russia for its anxiolytic and nootropic properties.
Selank + Semax
Cognitive / NeuroA nootropic stack combining the anxiolytic effects of Selank with the cognitive enhancement of Semax. A popular combination in the peptide community.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
Selank
Selank + Semax
$15.00
Starting from
$40.00
$5.79
Avg. price per mg
$37.12
58
Vendors selling it
10
61 options
In stock now
9 options
9.1/10
Top trust score
9.1/10
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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.