GABA
Marketed for relaxation and sleep support.
Educational only — not medical advice. BodEvo summarizes research cautiously and labels estimates as estimates. Talk to a physician or registered dietitian before starting any supplement, diet, or training program.
What the evidence says
Limited evidence for meaningful sleep benefit.
Typical dose & timing
Dose: Product-dependent.
Timing: Before bed.
Role in a stack
Optional sleep support.
Redundancy check:
Cautions & safety
May cause drowsiness.
Oral GABA may not cross the blood-brain barrier effectively.
Best for
users experimenting with sleep after basics are covered
References
- Oral GABA supplementation: a metabolic and absorptive investigation in healthy adults. Frontiers in Neuroscience (2021)
Evidence is limited. Oral GABA may not cross the blood-brain barrier effectively, limiting its usefulness as a sleep or relaxation supplement despite the theoretical rationale.
Use it in the app: open the Supplement Library and Stack Builder — free, local-first, no account required.