Product Description: Encourages Positive Mood Promotes Restful Sleep 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. Product Benefits: Promote sleep Improve symptoms of depression For insomnia & anxiety Positive effect on pain sensation L-Tryptophan60 Capsules 1-2 capsules 2 to 3 times daily on an empty stomach Product Features: Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Free From Information: Gluten Free Dairy Free Egg Free Soy Free GMO Free Nut Free How To Use: Take 1-2 capsules 2 to 3 times daily on an empty stomach, with final dose at bedtime, or as directed by your physician. Store in a cool, dry place after opening. Caution & Warnings: Do not exceed the recommended dose. For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children. Consult physician if pregnant/nursing, taking medication (especially antidepressants such as SSRIs and MAOIs), or have a medical condition. May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery. Ingredients: Nutritional Facts Serving Size: 2 Capsules Servings Per Container: 30 Ingredient Amount Per Serving L-Tryptophan (Free-Form) 1 g (1,000 mg) Other Ingredients: Hypromellose (cellulose capsule), Rice Flour, Ascorbyl Palmitate and Stearic Acid (vegetable source). Disclaimer: While Nahdi strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by Nahdi.