Semax and Selank: The Russian Nootropic Peptides

Russian institutes produced a distinctive peptide lineage largely unknown in Western pharmacopoeias but heavily studied in Eastern literature. Semax and Selank are its best-known members, and both have crossed into international research catalogues.

Semax

A synthetic fragment of ACTH (4-10) with a Pro-Gly-Pro tail for stability, Semax appears in published models associated with BDNF modulation and neuroprotection endpoints. It holds regulatory approval in Russia, giving it a body of clinical-use literature unusual for a research peptide.

Selank

A tuftsin analogue (also PGP-stabilised), Selank's research record centres on anxiety models and immune-signalling markers — GABAergic-system interaction is the recurring theme in its mechanism literature.

Research context

Both compounds offer Western researchers something valuable: extensively studied molecules whose primary literature sits outside the usual databases — replication and translation studies are an open field. Standard lyophilised handling for both.

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All compounds discussed are for in-vitro laboratory research only and are not for human or veterinary use.