AADC	L- amino acid decarboxylase
CNS	Central nervous system
DAT	dopamine active transporter
GPCR	G protein-coupled receptors
EFSA	European Food Safety Authority
FDA	The U.S. Food and Drug Administration
MAO	monoamine oxidase
MAOI	monoamine oxidases inhibitor
TAARs	trace amine—associated receptors
VMAT 2	vesicular monoamine transporter 2