What is it?
GABA is the 'downer' neurotransmitter that counters glutamate (“upper”), as the two mediate brain activation in a ying yang manner. Highly important in the brain, oral ingestion of GABA is complex due to its difficulty in crossing the blood brain barrier.

What does it do?
GABA has been used to ease anxiety, stress, and problems with sleep. GABA has also been used to lower blood pressure