Net Contents
90 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
5 031013 100109
Product Version
Not specified
Suggested Use
DIRECTIONS: Take 1-2 capsules a day (children over 5 years; 1 every alternate day; children over 8 years; 1 capsule a day); preferably before bed with a carbohydrate snack; or as your health professional advises.
Market Reference
Higher Nature Serotone
vitaminsuk.com US4.8(14)$43.00NutriRise Serotone+ Supplement 120 Capsules
NutriRise$29.90Nature's Way 5-HTP 60 Tablets
Swanson Health Products4.6(118)$13.79Best Naturals 5-HTP mg 120 Capsules
Target4.5(63)$9.995-htp (5-hydroxytryptophan), Seratonin, Mood Balance, No More
eBay$23.75Now 5 HTP mg
vitamin360.com4.7(3000)$6.37Lowest5-HTP
Soytopia$32.995-HTP 50mg 90 Caps
NutriKey4.9(26)$24.00
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
The Vitamin Shoppe
4.4 (136)Vitamin & supplements store
4875 Bay Rd, Saginaw, MI 48604
GNC
3.7 (40)Vitamin & supplements store
12247 S Beyer Rd Spc B-040, Birch Run, MI 48415
Grains & Greens Inc.
4.4 (124)Vitamin & supplements store
3641 Bay Rd, Saginaw, MI 48603
Healthy Habitz
4.9 (88)Health food store
975 N Main St Ste a, Frankenmuth, MI 48734
GNC
4.4 (34)Vitamin & supplements store
1802 Lawndale Rd, Saginaw, MI 48638
The Vitamin Company
4.7 (84)Vitamin & supplements store
421 W Main St, Brighton, MI 48116
Health to Wealth Nutrition
Vitamin & supplements store
1030 Leddy Rd, Saginaw, MI 48609
GNC
4.7 (46)Vitamin & supplements store
803 S State Rd, Davison, MI 48423
Research & Studies
5-Hydroxytryptophan (5-HTP): Natural occurrence, analysis, biosynthesis, biotechnology, physiology and toxicology
ME Maffei - International journal of molecular sciences, 2020 - mdpi.com
… the limiting step in serotonin and melatonin biosynthesis. In … 5-HTP in samples of commercial dietary supplements [32], in … , patients receiving placebo and 50 mg of 5-HTP daily over a …
2020320 citationsNatural products of relevance in the prevention and supportive treatment of depression
B Muszyńska, M Łojewski, J Rojowski, W Opoka… - Psychiatr …, 2015 - psychiatriapolska.pl
… of natural origin plays a role in treatment of health problems, … 5-HTP easily crosses BBB and is converted to serotonin in … sertraline (an antidepressant, dose 50 mg/day). Depression was …
2015109 citationsTryptophan supplementation and serotonin function: genetic variations in behavioural effects
EL Gibson - Proceedings of the Nutrition Society, 2018 - cambridge.org
… in healthy people(25). However, this pharmacotherapeutic evidence was nonspecific to serotonin… study that measured 5-HTTLPR genotypes and administered 50 mg/kg TRP did assess …
2018106 citationsSerotonin a la carte: supplementation with the serotonin precursor 5-hydroxytryptophan
EH Turner, JM Loftis, AD Blackwell - Pharmacology & therapeutics, 2006 - Elsevier
… the use of the dietary supplement 5-hydroxytryptophan (5-HTP) for the treatment of … of supplementation with exogenous 5-HTP, the amount of endogenous 5-HTP available for serotonin …
2006433 citationsThe Impact of 5-Hydroxytryptophan Supplementation on Cognitive Function and Mood in Singapore Older Adults: A Randomized Controlled Trial
S Li, CN Sutanto, X Xia, JE Kim - Nutrients, 2025 - mdpi.com
… were cognitively healthy and had not previously taken 5-HTP supplementation, 100 mg was … response in blood serotonin levels after administering 20 mg/kg of 5-HTP. Administration of …
20254 citationsClinically proven natural alternatives for treating depression
C HENDRIX - Depression White Paper, 2020 - migrelief.com
… health disorders that are associated with suicidal thoughts and behaviors.3,4 … 5-HTP supplementation.202 Another doubleblind clinical trial on hospitalized depressed patients on 50 mg …
20201 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2015-01-23. DSLD Label ID: 41236. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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