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Now Foods L-Tryptophan 500mg 60 Vegetable Capsules

Original price $21.99
Original price $21.99 - Original price $21.99
Original price $21.99
Current price $10.99
$10.99 - $10.99
Current price $10.99
SKU 733739001665
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Sleep Enhancing Supplement - Now Foods L-Tryptophan 500mg 60 Veg Caps

L-Tryptophan is an essential amino acid that must be obtained through food or supplementation. It is found naturally in animal and plant proteins. Tryptophan is used to treat and prevent health conditions including anxiety, sleep apnea, depression, ADHD, and may even improve athletic performance. The body converts tryptophan to 5 HTP then to serotonin. Serotonin is a neurotransmitter than relays signals within the brain. It has a huge impact on appetite, libido, mood, and sleep. Taking NOW L-Tryptophan is a great idea if you struggle with mood or sleep issues.

Now Foods L-Tryptophan Benefits

  • Promotes Healthy Sleep
  • Helps Improve Mood
  • Helps To Increase Libido
  • Vegan/Vegetarian Friendly
  • Contains Essential Amino Acids

How Do I Take Now Foods L-Tryptophan?

As a dietary supplement, take 1-2 capsules 2 to 3 times daily on an empty stomach, with final dose at bedtime, or as directed by your physician.

Now Foods L-Tryptophan Ingredients

Serving Size: 2 Capsules

Servings Per Container: 30

L-Tryptophan (Free-Form) 1,000mg

Other Ingredients: Cellulose (Capsule), Cellulose Powder & Stearic Acid (Vegetable Source).

Now Foods L-Tryptophan Side Effects & Warnings

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


Xu Q, Bai F, Chen N, Bai G. Gene modification of the acetate biosynthesis pathway in Escherichia coli and implementation of the cell recycling technology to increase L-tryptophan production. PLoS One. 2017;12(6):e0179240. Published 2017 Jun 16. doi:10.1371/journal.pone.0179240


Chaskes S, Cammer M, Nieves E, Casadevall A. Pigment production on L-tryptophan medium by Cryptococcus gattii and Cryptococcus neoformans. PLoS One. 2014;9(4):e91901. Published 2014 Apr 15. doi:10.1371/journal.pone.0091901