How to Take Gaba Pills

 https://www.livestrong.com/article/514997-how-to-take-gaba-pills/

https://www.livestrong.com/article/548115-the-maximum-dosage-of-gaba/

Paradoxically, you may be able to increase production of GABA by increasing glutamate, since your body uses glutamate to produce GABA. 

https://www.verywellhealth.com/treating-gaba-and-glutamate-dysregulation-716040