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L-Tryptophan 500 mg

Doctor's BestUpdated April 2026

Product Information

Form
Capsule
Servings Per Container
90
UPC
7 53950 00126 8
Product Type
Amino acid/Protein
DSLD Entry Date
2024-01-24

Target Groups

VeganVegetarianAdult (18 - 50 Years)Gluten FreeDairy Free

All Ingredients

IngredientAmount% DV
L-Tryptophan500 mg

† Daily Value not established.

Label Statements

Formula re: Contains

L-Tryptophan provides this essential amino acid (protein building block) that is not synthesized by the body and must be obtained in the diet or supplementation.

Formulation re: Other

It is also essential in the production of niacin, which is then metabolized into serotonin and melatonin in the brain. These neurotransmitters exert a calming effect and encourage better cognitive focus, a positive mood, and restful sleep. Helps exert a calming effect Helps encourage better cognitive focus, a positive mood, and restful sleep

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.

Formulation re: Does NOT Contain

Non-GMO/Gluten free/Soy free/Vegan

Formulation re: Vegetarian/Vegan

Non-GMO/Gluten free/Soy free/Vegan

Storage

Store in a cool dry place.

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

Doctor's Best Science-Based Nutrition

Formulation re: Other

Helps promote normal restful sleep, healthy mood and behavior

FDA Statement of Identity

Dietary Supplement

Seals/Symbols

Vegan

Suggested/Recommended/Usage/Directions

Suggested adult use: Take 1 capsule daily, or as recommended by a nutritionally informed physician. For optimum absorption, take separately from protein-containing foods and dietary supplements containing protein or amino acids.

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: Consult a physician before use if pregnant, nursing, taking medications, or have a medical condition.

Precautions re: All Other

May cause drowsiness.

Supplement Facts Panel

Supplement Facts
Serving Size 1 Veggie Capsule(s)
Servings Per Container 90
Amount Per Serving% Daily Value*
L-Tryptophan
500 mg

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

† Daily Value not established.

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