Direct comparison
Semax vs Selank
Class
Other
Other
Mechanism
Semax is a synthetic heptapeptide developed at the Institute of Molecular Genetics of the Russian Academy of Sciences.
Selank is a synthetic heptapeptide, likewise developed at the Institute of Molecular Genetics of the Russian Academy of Sciences.
Studied effects
Cognition
Cognition, Immunomodulation
Evidence level
early clinical studies
early clinical studies
Legal status (DE)
not approved
not approved
WADA-listed
No
No
Half-life
Very short in plasma (a few minutes; intranasal ~1–2 min), as the ACTH(4-10) sequence is rapidly degraded.
Short in plasma (on the order of minutes; detectable for ~7–10 min in animal data).
Studies cited
2
2
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