GABA is the brain's primary inhibitory neurotransmitter — it slows neural activity, calms anxiety, and prepares the body for sleep. Supplemental GABA is most useful in the evening, where 750mg can shorten time to fall asleep and reduce middle-of-the-night wake-ups.
Pair with magnesium glycinate and L-Theanine for a complete wind-down stack. Avoid stimulants in the four hours before bed for best results.