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L Tryptophan

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(1 review)


  • Supports Relaxation
  • Pharmaceutical Grade (USP)
  • Encourages Positive Mood
  • Promotes Restful Sleep*
  • Vegetarian Formula

L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating mood and synthesis of melatonin and serotonin, hormones regulating mood and stress response.  L-Tryptophan helps support relaxation, 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.

Nutrition Info
Serving Size 2 Vcaps®
Servings Per Container 60
  Amount Per Serving % Daily Value
L-Tryptophan (Free-Form)  1.0 g (1,000 mg)*    
* Percent Daily Values are based on 2,000 calorie diet.
† Daily Value not established.





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 SRRI'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.


Disclaimer:   This website is for informational purposes only. Always check the actual product label in your possession for the most accurate ingredient information due to product changes or upgrades that may not yet be reflected on our web site. These statements made in this website have not been evaluated by the Food and Drug Administration. The products offered are not intended to diagnose, treat, cure, or prevent any disease. If you believe that you may have a disease condition, please consult your healthcare practitioner immediately, and before using any dietary supplement product.