Neurotransmitters? I think it looks suspiciously like an astrology chart. "I'm a Gaba, Taurine rising . . "
I wish I knew more about regulating serotonin. 5htp is a great idea, but what if the root problem was absorbing it? Have you got l-glutamine in your supplement cupboard?
Here's an article about another idea, the lovely substance-p (warning! the article mentions "naked mole rats"!):
adding this -- it's a menagerie out there -- tiny Yucatan piggies on treadmills, how can I resist? -- who knew these swine girls, their sweaty piggy flanks, playing piggy pranks, could help us find better vasodilators?
Well, no giant lab reports to wave around, but perhaps something there might be useful. Happy reading.