5-HTP®

Non-Nutrient / Non-Botanical

Brand: Allergy Research Group

CapsuleNon-Nutrient/Non-BotanicalOff Market

Product label for 5-HTP — Click to view full label

Net Contents

150 Vegetarian Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

150

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 13947 72810 3

Product Version

Rev. 003

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Supplement Facts

Serving Size: 1 Capsule(s) · 1–3 per day

Ingredient	Amount Per Serving
L-5-Hydroxytryptophan	50 mg	—

Not Present

Other Ingredients

Hydroxypropyl MethylcelluloseMicrocrystalline CelluloseL-Leucine

Target Groups

Adult (18 - 50 Years)No Allergies

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use As a dietary supplement, 1 capsule one to three times daily, or as directed by a healthcare practitioner.

Storage

Keep in a cool, dry place, tightly capped.

Formulation

Formula re: Contains

5-HTP The amino acid L-5-Hydroxytryptophan.

Formulation re: Does NOT Contain

This nutrient is of the highest quality and purity obtainable, is free of all common allergens (antigens), and does not contain preservatives, diluents, or artificial additives.

Formula re: Contains

L-5-Hydroxytryptophan

Formula re: Type

HYPOALLERGENIC

FDA Statements

FDA Statement of Identity

dietary supplement

Other Label Statements

General Statements: All Other Content

Variations in product color may occur.

General: Product/Version Code

Rev. 003

General Statements: All Other Content

Our 5-HTP is derived from a plant source, and is carefully tested to ensure its purity.

Manufacturer & Distributor

Distributor

Allergy Research Group

Alameda, CA, 94502

Market Reference

$9.98 – $113.94· 40 listings

5-HTp 100 Mg 90 Capsules
Allergy Research Group4.7(3)
$50.39
5-HTP 100 mg Capsules | Allergy Research Group 60 Capsules
Allergy Research Group4.8(70)
$32.00
Allergy Research Group Zen Sleep 60 Vegetarian Capsules
Allergy Research Group4.7(72)
$40.59
Allergy Research Group 5-HTP 100 mg 90 Vegetarian Capsules
boulevardcompounding.com
$50.99
Buy Allergy Research 5-HTP 50 mg for Mood & Sleep | Hasan Mirza MD
Hasan Mirza, MD4.7(3)
$50.39
Allergy Research Group Seratonin 90 Capsules
Allergy Research Group5.0(1)
$62.39
Allergy Research Group Free Aminos 100 Caps
Allergy Research Group4.8(41)
$43.29
Walgreens 5-HTP 100 mg Capsules
Walgreens.com4.7(3)
$13.99

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.

Nutrition City - Vitamins & Supplements Store
4.7 (159)
Vitamin & supplements store
2108 Lyndale Ave S, Minneapolis, MN 55405
Directions (612) 871-7171
GNC
4.8 (36)
Vitamin & supplements store
5559 W Broadway Spc #5559, Crystal, MN 55428
Directions (952) 248-7876
Great Health Nutrition
5.0 (26)
Vitamin & supplements store
1360 University Ave W, St Paul, MN 55104
Directions (651) 645-2315
The Vitamin Shoppe
4.3 (148)
Vitamin & supplements store
1777 County Road B2 W Ste 215B, St Paul, MN 55113
Directions (651) 633-4514
Total Health Advanced Nutrition
Vitamin & supplements store
5182 Central Ave NE, Fridley, MN 55421
Directions (763) 586-1010
Xtreme Formulations
3.0 (2)
Vitamin & supplements store
451 Taft St NE #2, Minneapolis, MN 55413
Directions (630) 444-1800
Great Health Nutrition
4.1 (9)
Vitamin & supplements store
5192 Central Ave NE, Columbia Heights, MN 55421
Directions (763) 571-5544
GNC
3.1 (25)
Vitamin & supplements store
1650 Park Pl Blvd, St Louis Park, MN 55416
Directions (952) 544-0232

Research & Studies

AARP Prescription for Drug Alternatives: All Natural Options for Better Health without the Side Effects
JF Balch, M Stengler, R Young-Balch - 2012 - books.google.com
… the latest superfoods and supplements can mean for your health, we can help. … Researchers found that total lesion counts decreased by 22 in the study group, whereas the control group …
20123 citations
Gut microbiota in anxiety and depression: unveiling the relationships and management options
A Kumar, J Pramanik, N Goyal, D Chauhan… - Pharmaceuticals, 2023 - mdpi.com
… 5-HTP regulation may all be utilized to alter the gut microbiota as a treatment approach. There are few preclinical and clinical research … This article highlights relevant research on the …
2023211 citations
Quantification of serotonin O-sulphate by LC-MS method in plasma of healthy volunteers
R Lozda, I Purviņš - Frontiers in pharmacology, 2014 - frontiersin.org
… Second, a Pilot phase involving four healthy volunteers was … 5-hydroxytryptophan (5-HTP) -containing food supplement used … food supplement containing the serotonin precursor 5-HTP. …
20145 citations
The effect of 5-hydroxytryptophan, a serotonin precursor, on adults with high levels of Attention Deficit Hyperactivity Disorder traits: A randomised, controlled trial
E Jackson, T Riley, PG Overton - PloS one, 2026 - journals.plos.org
2026
Role of Gut Microbiota in the Production and Regulation of Serotonin Biosynthesis in the Gastrointestinal Tract
S Abubaker - 2025 - ruor.uottawa.ca
… into 5-hydroxytryptophan (5-HTP), a crucial serotonin … nine strains further assessed for 5-HTP synthesis. Two strains … as more potent producers of 5-HTP than others, highlighting …
2025
Faulty serotonin--DHEA interactions in autism: Results of the 5-hydroxytryptophan challenge test
JCK Spaas, A Wauters, R Verkerk, S Scharpe… - Neuroendocrinology …, 2008 - nel.edu
… A first major finding of this study is that the 5-HTP-induced plasma … At first sight, this is in contrast to earlier research, which … ences in 5-HTP pharmacokinetics between the study groups. …
200827 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-03-25. DSLD Label ID: 20124. 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.