Selank nasal spray is an intranasal formulation of Selank, a synthetic peptide derived from a fragment of the endogenous immunomodulatory peptide tuftsin. It has been studied for its potential role in modulating neurochemical signaling pathways involved in mood regulation, stress response, and cognitive function. Intranasal delivery has been explored in research settings as a method to support central nervous system exposure.

Preclinical studies suggest that Selank may influence GABAergic and serotonergic pathways, which are associated with emotional balance, resilience to stress, and cognitive processing. These mechanisms are believed to underlie its observed effects in experimental models evaluating anxiety-related signaling, attention, and memory performance. Researchers have also investigated its potential impact on neuroplasticity and adaptive stress regulation.

Beyond its central nervous system activity, Selank has been studied for possible immunomodulatory effects, including cytokine balance and immune signaling pathways. Ongoing research continues to evaluate its role in neuroimmune interaction, stress adaptation, and overall regulatory homeostasis.