How does selank work?
Selank is a synthetic cousin of tuftsin, an immune-related peptide, developed alongside semax in Russian research. The hypothesis researchers test is calm focus — easing anxious signaling without sedation.
These articles cover how selank is thought to work, what the evidence shows, and how it differs from semax. It's available only by prescription after a licensed provider reviews your request. Most of the published research comes from Russian clinical programs, and the articles below are careful about what that does and doesn't tell you.
4 articles on this topic
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What Is Semax Used For? Evidence and Status
Semax is used in Russia for defined neurological and optic-nerve indications. In the United States, interest centers on focus and memory, but the human evidence for those nootropic uses is small and indirect.
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What Is Selank Used For?
Selank is a Russian-developed heptapeptide studied mostly for anxiety, and its pivotal human trial put 62 patients with generalized anxiety disorder and neurasthenia head to head against the benzodiazepine medazepam.
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The Difference Between Semax and Selank
Both peptides are seven amino acids long and share the same Pro-Gly-Pro tail; what separates them is parentage — Semax comes from a fragment of a pituitary hormone, Selank from a fragment of an antibody.
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Semax Peptide: How It Works in the Brain
How does the Semax peptide work? Most of the mechanism evidence is rodent, the human evidence is intranasal, and the real picture is narrower — and more interesting — than the internet suggests.