NOW Foods Supplements, L-Tryptophan 500 mg, Encourages Positive Mood*, Supports Relaxation*, 120 Veg Capsules
Price: $17.00 - $15.00
(as of Mar 09, 2026 08:27:11 UTC – Details)
Encourages Positive Mood* Promotes Restful Sleep* L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet.* L-Tryptophan is critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function.* Every lot of NOW® L-Tryptophan is tested to be free of Peak E and microbial contamination. Natural color variation may occur in this product.
Is Discontinued By Manufacturer : No
Product Dimensions : 2.7 x 2.7 x 4.75 inches; 4.23 ounces
Item model number : 0167
Department : Health and Beauty>Health and Wellness
Date First Available : October 2, 2001
Manufacturer : NOW
ASIN : B0019LWV56
Best Sellers Rank: #9,286 in Health & Household (See Top 100 in Health & Household) #83 in Sleep & Snoring Aids #95 in Herbal & Nutritional Sleep Supplements #1,027 in Sales & Deals
Customer Reviews: 4.5 4.5 out of 5 stars (5,591) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
An essential amino acid that is not synthesized by the body and must be obtained by diet or supplementation.
Critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function*
Every lot tested to be free of Peak E and microbial contamination
Take 1-2 capsules 2 to 3 times daily on an empty stomach, with final dose at bedtime, or as directed by your physician
Packaged in the USA by a family owned and operated company since 1968.
