phenylethylamine pea side effects
2. What are Phenylethylamine's: side effects? Phenylethylamine is a powerful stimulant. It produces effects of increased mood, focus, and energy. Like all stimulants, there is the risk of side effects that include headaches, anxiety, rapid heart rate and, at high doses, overstimulation. If youâre on any other medication, itâs important to consult your physician before starting a phenylethylamine supplement regime.