Mental Health Home > Gamma-Aminobutyric Acid

Dosing Information

As with most dietary supplements, there is no well-established standard dose for gamma-aminobutyric acid (see Gamma-Aminobutyric Acid Dosage for more information).

Drug Interactions

At this time, it is unknown if gamma-aminobutyric acid interacts with any medications (see Drug Interactions With Gamma-Aminobutyric Acid).

What If I Take an Overdose?

It is not clear what exactly to expect from an overdose with this supplement. If you think you or someone else may have taken too much gamma-aminobutyric acid, it is important to seek immediate medical attention.
(Click GABA Overdose for more information.)

How Does Gamma-Aminobutyric Acid Work?

Gamma-aminobutyric acid is the primary inhibitory neurotransmitter in the central nervous system in adults. This means that when gamma-aminobutyric acid binds to receptors, it usually decreases the chance that a nerve will "fire" and send out a signal. Although drugs that act like gamma-aminobutyric acid or increase the levels are useful for a wide variety of medical conditions, such as epilepsy and anxiety, there is no strong evidence that taking gamma-aminobutyric acid will produce similar effects.
Taking gamma-aminobutyric acid may either increase or decrease human growth hormone (HGH) levels and may increase the level of the hormones insulin and glucagon.

Is Gamma-Aminobutyric Acid Effective?

There is little evidence to suggest that taking gamma-aminobutyric acid supplements is effective for any use (see Does GABA Work? for more information).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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