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L-Tryptophan 500 mg

Source NaturalsUpdated April 2026

Product Information

Form
Liquid
Servings Per Container
66
UPC
0 21078 01999 2
Product Type
Amino acid/Protein
DSLD Entry Date
2023-09-25

Target Groups

VegetarianAdult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

All Ingredients

IngredientAmount% DV
L-Tryptophan1.5 Gram(s)

† Daily Value not established.

Label Statements

Formula re: Contains

The essential amino acid L-tryptophan helps support relaxation, restful sleep, and feeling better. It plays, a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response. L-tryptophan also supports immune functions because it is the body's precursor to the kynurenines that regulate immunity. If needed, L-tryptophan concerts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism of food, and the production of hydrochloric acid for the digestive system. Source Naturals L-tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality.

Suggested/Recommended/Usage/Directions

Suggested use: 1/4 teaspoon three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3/4 teaspoon before bed.

Precautions re: Pregnant or Nursing or Prescription Medications

Caution: If you are pregnant, may become pregnant, breastfeeding, or are taking medications such as SSRI's or MAOI's consult your healthcare professional before using this product.

Precautions re: All Other

Do not use if tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Formulation re: Vegetarian/Vegan

Suitable for vegetarians and hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Formulation re: Other

Suitable for vegetarians and hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Formulation re: Does NOT Contain

Suitable for vegetarians and hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

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.

Brand IP Statement(s) re: (c), (TM), (SM)

Copyright Source Naturals, INC.

FDA Statement of Identity

Dietary Supplement

Supplement Facts Panel

Supplement Facts
Serving Size 0.5 Gram(s)
Servings Per Container 66
Amount Per Serving% Daily Value*
L-Tryptophan
1.5 Gram(s)

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

† Daily Value not established.

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