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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.
As a dietary supplement, take 1 tablet 1 to 3 times daily on an empty stomach or as directed by a healthcare professional. sed at bedtime.
Serving Size: 1 Tablet
Servings Per Container: 60
Amount Per Serving % Daily Value*
* Percent Daily Values are based on 2,000 calorie diet.
† Daily Value not established.
L-Tryptophan (Free-Form) 1 g (1,000 mg) *
Cellulose, Stearic Acid (vegetable source), Croscarmellose Sodium, Magnesium Stearate (vegetable source), Silica and Vegetarian Coating.
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