Source Naturals L-Tryptophan, for Mood, Relaxation, and Sleep*, 500mg - 60 Tablets

The essential amino acid L-tryptophan is the precursor of two natural compounds of great importance Suggested Use: 1 tablet three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3 tablets before bed Allergies: Suitable for vegetarians and contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA)