NOW Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, Supports Relaxation*, 120 Veg Capsules

L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. L-Tryptophan is critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function.* Every lot of NOW® L-Tryptophan is tested to be free of Peak E and microbial contamination.

SUPPORTS RELAXATION*/PREMIUM GRADE: An essential amino acid that is not synthesized by the body and must be obtained by diet or supplementation. ENCOURAGES POSITIVE MOOD*/PROMOTES RESTFUL SLEEP*: Critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function.* Every lot tested to be free of Peak E and microbial contamination. CERTIFICATIONS/CLASSIFICATIONS: Soy Free, Nut Free, Vegan/Vegetarian, Non-GMO, Egg Free, Dairy Free, Made without Gluten GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968.