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L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating sleep, positive mood and immune function.* As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. NOW.
Full price 21.99
Savings 31%

L-Tryptophan 500 mg (60 Vcaps)

L-Tryptophan 500 mg - 60 vcaps

NOW Foods

L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating sleep, positive mood and immune function.*  As an essential amino acid, it is not synthesized by the body and must be obtained from the diet.  NOW® L-Tryptophan is pharmaceutically pure - every lot is tested to be free of Peak E and microbial contamination.

  • Supports Relaxation
  • Pharmaceutical Grade (USP)
  • Encourages Positive Mood
  • Promotes Restful Sleep
  • Vegetarian Formula
Serving Size: 2 Vcaps®
Servings Per Container: 30 


 Amount Per Serving% Daily Value
L-Tryptophan (Free-Form)  1.0 g (1,000 mg)*   

 Suggested Usage:  As a dietary supplement, take 1-2 Vcaps® 2 to 3 times daily on an empty stomach or as directed by a health care professional.  Best used at bedtime.

Consider taking this product in combination with NOW® Inositol and Magnesium.

Other Ingredients:  Cellulose (capsule), Cellulose and Stearic Acid (vegetable source).  

Contains no:  sugar, salt, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives. 

Vegetarian/Vegan Product.   Warning:  Keep out of reach of children.  Pregnant/lactating women, those taking anti-depressant medications (such as SSRI's or MAOI's), or those with liver disorders, consult a health care professional before using this product.  May cause drowsiness.  

Caution:  Do Not Eat Freshness Packet.  Keep in Bottle.  

Disclaimers:  *These statements have not been evaluated by the FDA.  This product is not intended to diagnose, treat, cure or prevent any disease.   NOW® L-Tryptophan is Pharmaceutical Grade (USP).   Vcaps® is a registered trademark of Capsugel.   Store in a cool, dry place.  Please Recycle.

Amino Acids

By Guadalupe Higgins - Flag 
Comments? Question?
Updated Apr. 04, 2016, about 4 years ago

SKU: 166
UPC: 733739001665
Distributed or manufactured from NOW Foods. See more NOW Foods products.

*Not intended to diagnose or treat diseases or ailments, and is not reviewed by the FDA.

Uses & Indications.
  • Pharmaceutical Grade (USP)
  • Supports Relaxation
  • Encourages Positive Mood
  • Promotes Restful Sleep
  • Vegetarian Formula
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tryptophan vcaps l now, positive sleep usp pharmaceutical, product taking hormones packet
1. Statements and claims on Seacoast.com have not been evaluated by the FDA and are not intended to treat or diagnose any ailment or disease.

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