🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

3 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

600 mg
📊 Market median: 100.0mg (116 products) 📚 15 studies (Tier A: 0, B: 3)
This product: 600mg
Vitamin C
240 mg
24 mg
📊 18.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 24mg UL 100mg

Other Ingredients

Vegetable Capsule

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (78% of products) Nutrient (52% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested use: Adults take one (1) capsule 30 minutes before breakfast, lunch & dinner each day with 8 ounces of water.

⚠️ Warnings & Precautions

Warnings: Do not exceed the recommended dosage.

Pregnant and nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant and nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

Hydroxytryptophan

Includes Vitamin C & Vitamin B6 for added absorbancy

We never use binders, fillers, or artificial ingredients.

Additional Information

~Maximum Strength 600mg ~100% All natural weight loss ~Suppresses appetite & reduces carb cravings ~Increases serotonin levels ~Improves mood & sleep ~Potent, safe & effective

Store in a cool, dry place.

GMP Good Manufacturing Practice Consistent Quality

{Image}(R) made in USA

600 mg

All natural ~Curbs carb cravings ~Increase serotonin ~Improves mood & sleep

Maximum Strength

We are proud to give you this 100% natural product.

Thrive Naturals' 5-HTP is proudly made in the USA from the highest quality ingredients according to cGMP regulations.

Product Details

UPC / SKU 7 80742 98187 3
DSLD Entry Date 2015-07-24
Product Type Other Combinations
Form Capsule
DSLD ID 47469
Data Updated 2026-04-11

Research Evidence

21 Research Sources
53 Avg Quality Score
11 Systematic Review
6 Rct
4 Meta Analysis
B Combination pharmacotherapy for the treatment of fibromyalgia in adults
Systematic Review The Cochrane database of systematic reviews 2018
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2001
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002
B The impact of 5-hydroxytryptophan supplementation on sleep quality and gut microbiota composition in older adults: A randomized controlled trial
Rct Clinical nutrition (Edinburgh, Scotland) 2024
B The Impact of 5-Hydroxytryptophan Supplementation on Cognitive Function and Mood in Singapore Older Adults: A Randomized Controlled Trial
Rct Nutrients 2025
B The Efficacy of Different Triptans for the Treatment of Acute Headache in Pediatric Migraine: A Systematic Review
Systematic Review Indian pediatrics 2023
B The effect of therapeutic massage combined with conventional therapy in children with functional dyspepsia: a systematic review and meta-analysis
Systematic Review Frontiers in pharmacology 2025
C Sleep disorders in children
Systematic Review BMJ clinical evidence 2010
C Effects of 5-hydroxytryptophan on distinct types of depression: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2020
C Investigating genetic links between biological aging and adverse pregnancy outcomes
Meta Analysis Biogerontology 2025
View all evidence for 5 Htp →

Compare Similar Products

View all 5 Htp products →