semax vs selank
semax (B-tier) vs selank (B-tier). mechanism, trials, claims vs data, dosing literature. side-by-side reference.
semax — tier B
russian nootropic. approved there, not here. for focus, stroke recovery, and cognitive decline. real mechanism, thin US trials.
Russian nootropic. approved there since the 1990s. BDNF upregulation within 30 minutes of an intranasal dose, effect persists 24+ hours.
Russia '82 stroke registry · half-life minutes in plasma; effects persist for hours due to CNS penetration and BDNF induction cascade · focus
selank — tier B
russian anti-anxiety peptide. head-to-head benzodiazepine trials, lighter sedation signal, thin Western long-term data.
Russian anti-anxiety peptide. head-to-head benzodiazepine trials, allosteric GABA modulation, lighter tolerance signal.
Russia '04 anxiety registry · half-life minutes in plasma; effects last hours due to neurological cascade · focus
at a glance
reptides grades the research record and cites the literature behind every call. research reference only; not medical advice.