3-Phenyllactic acid (PhLA) is a broad spectrum antimicrobial compound active against bacteria and fungi.

β-Endorphin, an endogenous opioid neuropeptide, is an opioid receptor agonist. β-Endorphin binds preferentially to μ-opioid receptors and is produced in certain neurons of the central and peripheral nervous system and is one of three endorphins produced in humans. β-Endorphin can be used to reduce stress and maintain homeostasis in the body and is involved in neurological pain perception regulation.

Neuropeptide Y (13-36), porcine is a selective neuropeptide Y2 receptor agonist.