Selank is a synthetic heptapeptide (Thr-Lys-Pro-Arg-Pro-Gly-Pro) researched for its potential modulation of GABAergic systems, anxiolytic-like effects in models, and cognitive support in nootropic studies. ≥99% purity, 10mg vial. Strictly for laboratory/research use only—not for human or animal consumption. Explore Russian peptide research at Sumrday.