Phenylethylamine (PEA) is an organic compound and a natural monoamine alkaloid. It is found in various foods, including chocolate, and is known for its role as a neuromodulator in the brain. PEA is associated with mood enhancement and has been studied for its potential antidepressant effects. It acts as a precursor to neurotransmitters such as dopamine and norepinephrine. In culinary contexts, it contributes to the flavor profile of certain foods and is often linked to the pleasurable sensations associated with chocolate consumption. PEA is also noted for its potential health benefits, including improving mood and cognitive function.