ummm, I have never taken gabapentin but do work with Gaba and it works in my body.

Is There Any Difference Between GABA and Gabapentin? | gammaaminobutyricacid.org

I have a friend who took gabapentin for many years and dealt with all the side effects and she's off it now and finding relief with grape seed extract for the 30 yrs of neuropathy she lives with.