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Best L-Tryptophan Powder

Doctor's BestUpdated April 2026

Product Information

Form
Powder
Servings Per Container
100
UPC
7 53950 00145 9
Product Type
Amino acid/Protein
DSLD Entry Date
2013-08-23

Target Groups

VegetarianAdult (18 - 50 Years)

All Ingredients

IngredientAmount% DV
L-Tryptophan500 mg

† Daily Value not established.

Label Statements

Suggested/Recommended/Usage/Directions

Suggested Use: 1 scoop daily, or as directed by a health practitioner. For optimum absorption, take separately from protein-containing foods and dietary supplements containing protein or amino acids. Take with water or juice.

General Statements: All Other Content

L-tryptophan is an essential amino acid (protein building block) in human nutrition. Essential amino acids are not synthesized by the body and must be obtained in the diet. The L-tryptophan in this product is manufactured and tested for purity according to the Japanese Pharmacopeia (JP) and the United States Pharmacopeia (USP) standards.

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

Science-Based Nutrition(TM)

General Statements: All Other Content

CONTAINS NOTHING OTHER THAN LISTED INGREDIENTS

FDA Statement of Identity

Dietary Supplement

General Statements: All Other Content

USP Pharmaceutical Grade

Formula re: Contains

Featuring Ajinomoto's TryptoPure(TM)

Formulation re: Vegetarian/Vegan

Suitable for vegetarians

Seals/Symbols

AJIPURE(TM) AMINO ACIDS

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

AjiPure(TM) and TryptoPure(TM) are trademarks of Ajinomoto Co. Inc.

Supplement Facts Panel

Supplement Facts
Serving Size 0.5 Gram(s)
Servings Per Container 100
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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