Selank

Selank is a synthetic peptide derived from the immunomodulatory tuftsin fragment.
It is mainly studied for anxiolytic (anti-anxiety) effects without strong sedation, and for potential benefits on:
Anxiety reduction and stress response
Mood stabilization
Cognitive functions such as attention and memory
It is also thought to influence neurotransmitters like serotonin and dopamine and may have mild immunomodulatory properties.