This compound is a N-methyl derivative of the amino acid tyramine.Hordenine HCL is also increasingly being used as a Nootropic that works to improve cognitive function, stimulate higher energy levels and improve your mood.This nootropic is used as an herbal MAO inhibitor to promote focus, concentration and even euphoric feelings. You will commonly see Hordenine HCL being stacked with phenlyethylamine (PEA) for cognitive enhancement purposes. The supplement is also used by bodybuilders, athletes and people trying to lose weight because it can increase metabolism while at the same time decreasing appetite.