5-HTP 200 mg Time Release®

Other Combinations

Brand: Natrol

Tablet or PillOther CombinationsOn Market

Functions

Sleep, Mood & Stress

Product label for 5-HTP 200 mg Time Release — Click to view full label

Net Contents

30 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 47469 05172 3

Product Version

ITEM: 5172.941 F: 3002211 L: 2010241-23158

Label Analysis

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

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report an established %DV 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 Tablet(s) · 1 per day

Ingredient	Amount Per Serving	% Daily Value
Calcium(Dibasic Calcium Phosphate)	55 mg	4%
5-Hydroxytryptophan(Griffonia simplicifolia)	200 mg	—

Not Present

Other Ingredients

Microcrystalline CelluloseHypromelloseStearic AcidSilicon DioxideMagnesium StearateMethylcelluloseGlycerin

Target Groups

Adult (18 - 50 Years)No AllergiesDairy Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use: Adults, take 1 tablet daily with a meal. Do not exceed suggested intake.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, or are taking medication or have a medical condition; including drugs for depression, migraines, Parkinson's disease or psychiatric disorders.

Precautions re: Children

Precautions re: All Other

Do not use other supplements containing L-Tryptophan or 5-HTP. If adverse reactions occur, discontinue use.

Precautions re: All Other

Do not exceed suggested intake. Do not use if safety seal is damaged or missing.

Storage

Store in a cool, dry place.

Formulation

Formula re: Contains

Natrol 5-HTP 200 mg Time Release: Controlled release tablet releases 5-HTP slowly to help support a balanced mood and promote production of serotonin throughout the day

Formulation re: Other

Mood + Stress Helps support a balanced mood Promotes production of serotonin throughout the day

Formulation re: Does NOT Contain

100% drug free No: Milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, sesame

FDA Statements

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

FDA Statement of Identity

Dietary Supplement

Manufacturer & Distributor

Distributor

Natrol LLC

Sherman Oaks, CA, 91403, USA

1-800-262-8765

Market Reference

$9.60 – $150.99· 21 listings

Natrol 5 HTP Time Release
Walmart4.6(1100)
$14.80
Natrol 5-HTP Fast Dissolve Mixed Berry 30 Tablets
Walmart4.5(119)
$18.99
5 HTP Natrol
Swanson Health Products4.5(139)
$12.99
Natrol 5-htp Time Release, Control Appetite & Promote Relaxation, 30 Tabs, Size: 30 Tablets
Walmart - Pharma Frills
$24.87
Natrol Advanced Melatonin + 5 HTP 60 Tablets
Vitacost.com4.5(602)
$15.59
Natrol 5 Hydroxytryptophan Vegetarian Capsules
Cura360
$16.99
Natrol 5-htp Tr Time Release (200 Mg) 30 Tabs Each (pack Of 3)
eBay - supreme_warehouse4.6(16)
$70.80
Natrol Mood Positive 5-HTP 50 Tablets
Borinquen Natural4.2(13)
$20.80

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.

ITL Health
5.0 (37)
Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
Directions 0118 321 7628
Protiv Nutrition
5.0 (1)
Vitamin & Supplements Shop
3rd Floor, 207 Regent St., London W1B 3HH
Directions 07442 915758
Prodentim
5.0 (1)
Vitamin & Supplements Shop
72 Regent St., London W1B 4EN
Directions 028 6745 7567
Holland & Barrett - Strand
3.7 (51)
Vitamin & Supplements Shop
406-408 Strand, London WC2R 0NE
Directions 0330 058 2640
British Supplements
3.4 (275)
Vitamin & Supplements Shop
34, New House, 67-68 Hatton Garden, London EC1N 8JY
Directions 07768 405406
RightNutri
4.9 (78)
Vitamin & Supplements Shop
26 Queenstown Rd, London SW8 3RX
Directions 0800 098 8888
Nutri Tailor
5.0 (13)
Vitamin & Supplements Shop
85 Great Portland St, London W1W 7LT
Directions
Holland & Barrett - Covent Garden
3.7 (60)
Vitamin & Supplements Shop
39 Long Acre, London WC2E 9LG
Directions 0330 058 2640

Research & Studies

Secrets of 5-HTP: Nature's Newest Super Supplement
W Conkling - 1998 - books.google.com
… patterns, and your overall health. In fact, its impressive performance in treating a wide range of … 200 milligrams of 5-HTP per day is as effective as 1,000 or 2,000 milligrams of tryptophan. …
1998
Oral administration of 5‐hydroxytryptophan (5‐HTP) impairs decision making under ambiguity but not under risk: evidence from the Iowa Gambling Task
MH Gendle, AC Golding - … Psychopharmacology: Clinical and …, 2010 - Wiley Online Library
… This study examined if oral administration of 5-HTP to healthy … if oral 5-HTP supplementation altered performance on a … in response to a 100 or 200 mg oral dose of 5-HTP. Thus, it …
201038 citations
Effects of serotonin and slow-release 5-hydroxytryptophan on gastrointestinal motility in a mouse model of depression
…, R Latorre, K Law, W Carson, NW Bunnett, MG Caron… - Gastroenterology, 2019 - Elsevier
… Feeding chow that contains 5-HTP slow release (5-HTP SR) to TPH2-R439H mice restores levels of 5-HT in the central nervous system and reduces depressive-like behaviors. …
2019251 citations
Dietary supplement-drug interaction-induced serotonin syndrome progressing to acute compartment syndrome
YA Patel, N Marzella - The American journal of case reports, 2017 - pmc.ncbi.nlm.nih.gov
… Natrol 5-HTP is a dietary supplement marketed to enhance … the recommended 200 mg maximum daily dose at the time of … and exercise dietary supplements, we suggest that health care …
201716 citations
Slow-release delivery enhances the pharmacological properties of oral 5-hydroxytryptophan: mouse proof-of-concept
…, PJ Nicholls, BD Sachs, MG Caron - …, 2019 - nature.com
… modeled oral 5-HTP SR in mice by administering 5-HTP via … with the National Institutes of Health guidelines for the care … IR, in medium to high parenteral bolus doses (10–200 mg/kg), …
201935 citations
5-HTP Withdrawal
P Tardner - 2022 - ijest.org
… believe that taking 5-HTP may not be as safe as some supplement … seen reported time and again from people taking 5-HTP to … consult a health care provider if you’re taking 5-HTP for a …
2022

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-07-24. DSLD Label ID: 332251. 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.