What Are Some Warnings Concerning GABA?


Quick Answer

There is not enough information available to determine the safety of GABA, and it is unknown if GABA causes side effects or interacts with herbs, supplements, medications or foods, as of 2015, warns WebMD. To be safe, women who are nursing or pregnant should avoid GABA.

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Full Answer

Manufacturers of dietary supplements such as GABA are not subject to the same FDA regulations as drug companies, and they do not have to prove that their products work or are safe, notes WebMD. GABA is a neurotransmitter that blocks nerve cell activity in the brain. Low levels of GABA may have an effect on mood or aggravate chronic pain.

There is not adequate evidence of GABA's effectiveness as a supplement, notes WebMD. Certain types of foods, such as fruits and vegetables, teas and red wine, change how GABA functions in the brain, but GABA is not present in any foods.

People take GABA to attempt to boost their moods, alleviate anxiety and improve sleeping habits, states WebMD. Some also take GABA for premenstrual syndrome or attention deficit hyperactivity disorder.

Other uses of GABA include increasing exercise tolerance, burning fat, increasing muscle growth, and pain relief, according to WebMD. There is some evidence that GABA may lower blood pressure.

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