Phenylethylamine (PEA) is a compound that naturally exists in the brain, operating as a neurotransmitter and neuromodulator. Often found in dietary supplements because of its ability to enhance ...

How Epinephrine Works Epinephrine is a sympathomimetic catecholamine that exerts its pharmacologic effects on both alpha and beta-adrenergic receptors. It has a dose-dependent response on alpha and ...