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Doctor's Best, Best L-Tryptophan, Tryptopure, Powder, 50 g (Discontinued Item)
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$19.21 (48%)
Discontinued ?

Doctor's Best, Best L-Tryptophan, Tryptopure, Powder, 50 g (Discontinued Item)

By Doctor's Best

56 Reviews
Best Seller
Out of Stock - Discontinued
  • Product Code: DRB-00145
  • UPC Code: 753950001459
  • Package Quantity: 50 g
  • Dimensions: 2.9 x 2.9 x 3.1 in, 0.2 lbs (0.09 kg)
  • Important Note: Doctor's Best uses exclusively the Tryptopure brand of tryptophan, manufactured by Ajinomoto of Japan.

Product Overview

  • Science-Based Nutrition
  • Dietary Supplement
  • USP Pharmaceutical Grade
  • Featuring Ajinomoto's TryptoPure
  • Suitable for Vegetarians

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.

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.

Other Ingredients


Contains nothing other than listed ingredients.

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Supplement Facts
Serving Size: 1 scoop (500 mg)
Servings Per Container: 100 servings
  Amount Per Serving % Daily Value
Ajinomoto L-Tryptophan 500 mg
† Daily Value not established.

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