GABA, or gamma-aminobutyric acid, is one such supplement. This amino acid functions as a neurotransmitter in the brain, playing a key role in managing anxiety, stress, and sleep. GABA supplements ...

Gamma-aminobutyric acid, or GABA, is a neurotransmitter that slows down the brain by blocking nerve signaling. That might sound scary, but it’s an essential function that delivers a calming ...

there are no serious side effects when taking GABA in small doses from sleep or dietary supplements, although some consumers have reported feeling abdominal pain or headaches. High levels of GABA ...