Price: $13.75
(as of Nov 03, 2025 21:18:24 UTC – Details)
5-HTP, the intermediate metabolite between the amino acid L-tryptophan and serotonin, is extracted from the seed of an African plant (Griffonia simplicifolia). This dietary supplement and supports a positive mood and relaxation.* 5-HTP supports the production of serotonin in the brain and central nervous system; serotonin can impact sleep, mood, appetite, and body temperature.* Natural color variation may occur in this product.
Is Discontinued By Manufacturer : No
Product Dimensions : 2.5 x 2.5 x 4.44 inches; 3.36 ounces
Item model number : 0106
Department : Beauty
Date First Available : December 12, 2003
Manufacturer : NOW Sports – Nutrition and Wellness
ASIN : B0013OQI1W
Best Sellers Rank: #4,644 in Health & Household (See Top 100 in Health & Household) #4 in 5-HTP Nutritional Supplements #626 in Sales & Deals
Customer Reviews: 4.5 4.5 out of 5 stars 10,493 ratings 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); } }); });
VEGAN CAPSULES/NEUROTRANSMITTER SUPPORT: 5-HTP is the intermediate metabolite between the amino acid L-tryptophan and serotonin
TYPICALLY USED AS A SLEEP SUPPLEMENT/SUPPORTS POSITIVE MOOD AND RELAXATION: 5-HTP supports the production of serotonin in the brain and central nervous system; serotonin can impact sleep, mood, appetite, and body temperature
CERTIFICATIONS/CLASSIFICATIONS: Dairy Free, Egg Free, Kosher, Made without Gluten, Non-GMO, Nut Free, Soy Free, Vegan/Vegetarian
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined including our laboratory/testing methods (for stability, potency, and product formulation)
Packaged in the USA by a family owned and operated company since 1968
Packaged in the USA by a family owned and operated company since 1968
Customers say
Customers find this 5-HTP supplement effective for sleep, noting they wake up more refreshed and experience less anxiety. Moreover, the supplement improves mood stability and brain function, helping with mental clarity and alertness, while also serving as an appetite suppressant by reducing carb cravings. The product receives positive feedback for its quality and effectiveness, and customers consider it good value for money. However, experiences with nausea are mixed, with some customers reporting no stomach issues while others find it makes them nauseous.








