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L-Tryptophan 500 mg

NOWUpdated April 2026

Product Information

Brand
NOW
Form
Capsule
Servings Per Container
60
UPC
7 33739 00167 2
Product Type
Amino acid/Protein
DSLD Entry Date
2024-07-25

Target Groups

VeganVegetarianAdult (18 - 50 Years)KosherHalalGluten FreeDairy Free

All Ingredients

IngredientAmount% DV
L-Tryptophan1 Gram(s)

† Daily Value not established.

Label Statements

Suggested/Recommended/Usage/Directions

Suggested Usage: Take 1-2 capsules 2 to 3 times daily on an empty stomach, with final dose at bedtime, or as directed by your physician.

Formula re: Contains

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.

Formulation re: Does NOT Contain

Every lot of NOW L-Tryptophan is tested to be free of Peak E and microbial contamination.

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Precautions re: Children

Caution: For adults only. Keep out of reach of children.

Precautions re: Pregnant or Nursing or Prescription Medications

Consult physician if pregnant/nursing, taking medication (especially antidepressants such as SSRIs and MAOIs), or have a medical condition.

Precautions re: All Other

May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery.

General Statements: All Other Content

This bottle is made from 100% PCR (post-consumer recycled) resin.

Formulation re: Other

Supports relaxation Encourages positive mood Promotes restful sleep

Formulation re: Does NOT Contain

Non-GMO

FDA Statement of Identity

A Dietary Supplement

Formulation re: Vegetarian/Vegan

Vegetarian/Vegan

General Statements: All Other Content

Amino Acids Family owned since 1968.

Formulation re: Other

Made and quality tested in the USA with globally sourced ingredients.

Formulation re: Does NOT Contain

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.

Precautions re: Allergies

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Formulation re: Other

Natural color variation may occur in this product.

Storage

Store in a cool, dry place after opening.

Seals/Symbols

GMP Quality Assured Triangle K (Kosher) Crescent H (Halal)

Formula re: Kosher

Triangle K (Kosher)

Formula re: Type

Crescent H (Halal)

Supplement Facts Panel

Supplement Facts
Serving Size 1 Veg Capsule(s)
Servings Per Container 60
Amount Per Serving% Daily Value*
L-Tryptophan
1 Gram(s)

* Percent Daily Values are based on a 2,000 calorie diet.

† Daily Value not established.

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