L-Tryptophan 500 mg 60 Capsules

by Source Naturals

  • • 60 servings
Retail $21.98Regular $11.38$10.49

Subscribe & Save!

Save 5% (details) with delivery every

Save 52% off retail

Usually Ships in 1-2 Business Days


The essential amino acid l-tryptophan helps support relaxation, restful sleep, and feeling better. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response. l-Tryptophan also supports immune functions because it is the body? S precursor to the kynurenines that regulate immunity. If needed, l-tryptophan converts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism of food, and the production of hydrochloric acid for the digestive system. Source Naturals l-TRYPTOPHAN is extremely pure and is regularly tested to ensure the highest standards of quality

Serving Size

1 Capsules, 60 servings per container

Other Ingredients

Gelatin (capsule), colloidal silicon dioxide, and magnesium stearate.

Suggested Use

1 capsule three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3 capsules before bed.


If you are pregnant, breastfeeding, may become pregnant, or are taking medications such as SSRI? S or MAOI? S consult your health care professional before using this product.

Supplement Facts

Serving Size is 1 Capsules
Amount Per Serving%DV
*Daily Value (DV) not established.

Customers who bought this item also bought

Horsetail Herb Nature's Answer
Horsetail Herb 1 Ounces $6.47
Vitex Berry Nature's Answer
Vitex Berry 1 Ounces $6.95

Write a Review

Have you tried Source Naturals L-Tryptophan 500 mg? Share your experience with others; Review this product here!