The Definitive Peptide Research Reference Guide — Compound Review

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Selank vs Semax

Selank vs Semax: two Russian-developed nootropic peptides. Selank is an anxiolytic with BDNF-modulating effects; Semax is a cognitive enhancer with neuroprotective properties. Both are administered intranasally.

Mechanism Comparison

Selank: analogue of tuftsin, modulates IL-6 and serotonin/dopamine systems, anxiolytic and nootropic. Semax: ACTH(4-7) analogue, upregulates BDNF and NGF, neuroprotective, cognitive enhancing.

Research Applications

Selank: anxiety research, stress response modulation, immune modulation (tuftsin component). Semax: cognitive enhancement, neuroprotection, stroke recovery, BDNF upregulation research.

Which to Choose

Selank: when anxiety reduction or stress modulation is the primary endpoint. Semax: when cognitive enhancement or neuroprotection is the primary endpoint. Some protocols combine both for complementary CNS effects.