Working...
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 10 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
Ailments & Concerns.
Coral Calcium Plus (100 vcaps)
Coral Calcium Plus (100 vcaps) NOW Foods


 11.06 
NOW Foods
Coral Calcium Plus (250 vcaps)
Coral Calcium Plus  (250 vcaps) NOW Foods


 22.14 
NOW Foods
Biotin 5000 mcg (60 Vcaps)
Biotin 5000 mcg (60 Vcaps) NOW Foods


 9.99 
NOW Foods

Be the first to tell us your thoughts.Add your testimonial

Questions and answers:

Explore More Products

L-Tryptophan 500 mg (120 Vcaps)
L-Tryptophan 500 mg (120 Vcaps) NOW Foods


 27.68 
NOW Foods
1
AAKG Powder (7 oz.)
AAKG Powder (7 oz.) NOW Foods


 27.68 
NOW Foods
Acetyl-L-Carnitine Powder (3 oz.)
Acetyl-L-Carnitine Powder (3 oz.) NOW Foods


 27.68 
NOW Foods

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.

What interests you?

Best Serrapeptase (40,000 Units - 270 capsules) Doctor's Best

Hunger Caps Appetite Control | Saffron Extract (60 capsules)* Re-Body

Vitamineral GREEN Capsules Version 5.3(400 v-caps)* HealthForce Nutritionals

Fresh Green Black Walnut Wormwood Complex (2 oz) NOW Foods

Magnesium Chloride Liquid (8 oz) NutriCology

Nerve Tonic (100 Tabs) Hylands

Mangosteen High Potency Xanthones (650 mg, 60 vcaps) Fruitrients X

PGX Daily | Benefits, Treatments & Side Effects
PGX is the new science of appetite control. The PGX program can be a comfortable way to improve eating habits for life.

RevitalX & Detoxitech | 7 Day Nutritional Cleansing Program* Natural Factors

Could Chelation Be The Answer To Defeating Autism?
Modified Citrus Pectin and Alginates are all-natural products that work in a very unique way to both chelate and eliminate heavy metals from the body.

Cardio Chelate with EDTA (60 Vcaps) Metabolic Response Modifiers

Acetyl-L-Carnitine Arginate (90 vcaps)* Life Extension

Zyflamend | New Chapter Zyflamend Side Effects
Zyflamend Bonus Pack

Silicea 9C Boiron

Mega Nutrient | Nature’s Way Alive Multivitamin
Alive Multi Vitamin from Nature's Way is the complete daily multivitamin containing the best ingredients from whole-food sources.

Prostate Essence (60 capsules)* Pure Essence Labs

Danzen | Serracel | Serrapeptase
Serracel provides a healthy response to sports injuries or surgery, muscle tears and pulls, sinus activity, joint mobility and fluid retention. Serracel on Sale from Seacoast Natural Health.

Happy Camper, 120 Veggie Caps Natural Balance

PRID (18 g) Hylands

Blood Builder (90 tabs)* MegaFood

Sandalwood Soap Bee & Flower

Histaminum hydrochloricum 9C Boiron

PGX Daily Ultra Matrix (120 Softgels)* Natural Factors

Pectasol-C Modified Citrus Pectin | From Fruit Peel to Cancer Fighter
PectaSol-C Modified Citrus Pectin is the most effective product available for comprehensive, natural cellular health support. Dr. Isaac Eliaz, founder Econugenics.

Wellness Formula (120 caps)* Source Naturals

Steel Libido for Women (75 softgels)* Irwin Naturals