Gamma-aminobutyric acid, or GABA, is a neurotransmitter that sends chemical messages through the brain and the nervous system, and is involved in regulating communication between brain cells, ...

Gamma-aminobutyric acid (GABA) is a neurotransmitter, or chemical messenger, in the brain. It has a calming effect by blocking certain signals in the nervous system. The brain produces and responds to ...

A widely used anti-aging supplement has no effect on aging markers such as muscle strength, peak endurance, muscle mass, fat mass and glucose tolerance in elderly men and women, according to Mayo ...