Taurine has been shown to prevent tardive dyskinesia in rats. I take 2 grams a day. I’m on Clopixol injection. “Free-form” taurine is absorbed the best. Now-foods is one brand.
Here are two sources:
https://www.google.com/patents/US5602150
Note that taurine could prevent tardive dyskinesia. But once it has already developed the taurine proabably wouldn’t help other than to maybe prevent further deterioration.
Does Redbull count? 
I’ve heard it helps cystic fibrosis patients
Taurine is an amazing neurotransmitter. It’s natural within our chemistry and promotes have a higher connectivity to our potential awareness by modulating or pre-activating neuron clusters that might be needed just by the brains intuition regarding what has passed been utilized in different scenarios.
Cysteine and taurine are essential amino acids found in the proteins within food. You can seek out food sources that are explicitly high in those.
Flaxseed milk is the only thing coming to mind without reference. That ■■■■’s delicious though. I tell you what.