In Stock

Now Foods L-Tryptophan 500mg 60 Capsules

Current Stock:

Now Foods L-Tryptophan 500mg 60 Capsules

Tryptophan is an essential amino acid used to make proteins. Tryptophan helps to make melatonin and serotonin in the body and helps to regulate mood and the sleep cycle. It's also used by the liver to produce Vitamin B3. Now Foods L-Tryptophan contains 500mg Tryptophan per serving and comes in a vegan and vegetarian friendly capsule. 

Now Foods L-Tryptophan 500mg 60 Capsules Highlights & Benefits

  • Helps to Make Melatonin & Serotonin
  • Helps Regulate Sleep Cycle & Mood
  • The Liver Uses Tryptophan to Produce Vitamin B3
  • Helps to Support Energy & Metabolism
  • Vegan & Vegetarian Friendly
  • Halal & Kosher


Take 1-2 capsules 2-3 times daily on an empty stomach. Take final dose near bedtime.

Now Foods L-Tryptophan 500mg 60 Capsules Ingredients

Serving Size: 2 Capsules

Servings Per Container: 30

L-Tryptophan (Free-Form) 1g

*Daily Value Not Established

Other Ingredients: Hypromellose (cellulose capsule), Rice Flour, Ascorbyl Palmitate and Stearic Acid (vegetable source).

Warnings & Side Effects

Store in a cool dry place after opening. 


Jenkins TA, Nguyen JC, Polglaze KE, Bertrand PP. Influence of Tryptophan and Serotonin on Mood and Cognition with a Possible Role of the Gut-Brain Axis. Nutrients. 2016 Jan 20;8(1):56. doi: 10.3390/nu8010056. PMID: 26805875; PMCID: PMC4728667.

†We make every effort to ensure that the product images displayed on our website faithfully represent what you will receive. However, we recognize that digital representations can sometimes fall short of capturing every nuance of the product's physical attributes. Differences in color, size, and packaging details might exist. To mitigate this, we advise our valued customers to delve into the product descriptions where the specific features, ingredients, and usage instructions of each product are meticulously outlined. This approach helps bridge the gap between expectation and reality, ensuring you are fully informed about your purchase.

†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to treat, cure, diagnose, or prevent any disease.

Visit Our Chicagoland Retail Stores