Selank is an anxiolytic heptapeptide drug produced by the Institute of Molecular Genetics of the Russian academy of sciences (IMG RAS). It is considered to be an anxiolytic or a substance with anti-anxiety effect.
Selank is a synthetic analog of the endogenously produced peptide Tuftsin and is known to be capable of improving and positively altering the immune system, which classifies selank as immunomodulatory .