NOW Supplements, L-Tryptophan 1,000 mg, Double Strength, Encourages Positive Mood*, Supports Relaxation*, 60 Tablets

Tryptophan is an essential amino acid; subsequently, it isn’t synthesized by the body and will have to be obtained from the diet.* Tryptophan is critical for the production of serotonin and melatonin, which assist to enhance a positive mood, healthy sleep patterns, and proper immune system function.* Each lot of NOW® L-Tryptophan is tested to be free of peak E and microbial contamination. NOW® Double Strength L-Tryptophan has twice the L-tryptophan (1000 mg per tablet) as in our regular strength product (500 mg per capsule).

ENCOURAGES POSITIVE MOOD*: Critical for the production of serotonin and melatonin, which assist to enhance a positive mood, healthy sleep patterns, and proper immune system function.*
PROMOTES RESTFUL SLEEP*: Each lot of is tested to be free of peak E and microbial contamination.
CLASSIFICATIONS/CERTIFICATIONS: Kosher, Vegan, Non-GMO
GMP Quality Assured: NPA A-rated GMP certification means that Each aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
Packaged in the united states by a circle of relatives owned and operated company since 1968; Store in a cool, dry place after opening.
All through the summer months products may arrive warm but Amazon stores and ships products according to manufacturers’ recommendations, when provided.