PEA and tyramine, the endogenous indirectly acting sympathomimetic amines, are largely enhancers of your impulse propagation mediated transmitter release within the catecholaminergic neurons inside the Mind (CAE effect) and only induce release of catecholamines from their storage web sites at the next concentration. PPAP 23 preferentially inhibited Fe–S cluster enzymes; https://laneeaumd.dailyblogzz.com/30766495/detailed-notes-on-ppap-hcl