please be careful with lipoic acid. There are so many stories in the detox groups from people who got messed up from it when they just took it randomly.
LA's SH/thiol groups kick up mercury and can carry it across the blood brain barrier--in both directions. So if you have an ongoing exposure to Hg, for example, from silver Amalgam fillings , you'll likely have more inorganic Hg outside of the brain/CNS than in it. LA will help to move the body towards equilibrium.
GABA is cheap, even less than glutamine. Just try one or both.