Description Natural calming effect Promotes relaxation 100% Pure Powder Eases Nervous Tension Vegetarian Product A Dietary Supplement GABA (gamma aminobutyric acid) is a non-essential amino acid found mainly in the human brain and eyes. It is considered an inhibitory neurotransmitter, which means it regulates brain and nerve cell activity by inhibiting the number of neurons firing in the brain. GABA is referred to as the "brain's natural calming agent". By inhibiting over-stimulation of the brain, GABA may help promote relaxation and ease nervous tension.* NOW® provides only the naturally occurring L-form as found in food and in the body. Suggested Use As a dietary supplement, take 1/4 level teaspoon one or more times daily as needed, preferably on an empty stomach. Supplement Facts Supplement Facts Serving Size: 1/4 Level Teaspoon (500 mg) Servings Per Container: 340 Amount Per Serving %DV GABA 500 mg * * Daily Value not established. Other Ingredients None. Contains no sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. Vegetarian product. Warnings Do not eat freshness packet. Keep in bottle. Store in a cool, dry place. This product is sold by weight not volume.