GABA L-Theanine Supplement 900 mg - Calm, Sleep & Relaxation - 120 Caps

Our verdict

GABA L-Theanine Supplement 900 mg - Calm works out to $0.19 per serving of gaba, at 900mg per serving in capsule form. That puts it above the median of the 32 gaba products we can price per dose, where the typical serving costs $0.11, a Value Index of 0.6 where the median product is 1.0. One container lasts 120 days at the label dose of 1 serving a day, about $5.72 a month. We could not verify a third-party certification for NUTRAHARMONY in a public registry. Worked out from the current retail price as of 2026-11-13; confirm the live price on Amazon.com before buying.