🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

1 Vegetarian Capsule(s) Serving Size
120 Servings
Amino acid/Protein Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

100 mg
📊 Market median: 100.0mg (116 products) 📚 15 studies (Tier A: 0, B: 3)
This product: 100mg

Other Ingredients

Rice Flour Vegetable Cellulose

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) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, take 1 (one) capsule daily, preferably on an empty stomach at bedtime.

⚠️ Warnings & Precautions

Warning: If you are currently taking antidepressant medications, please consult a physician prior to use.

May cause drowsiness.

Keep out of the reach of children and pets

Keep out of the reach of children and pets

🧪 Formulation Notes

Potent: 100 mg 5-hydroxytryptophan (griffonia simplicifolia) What it is: 5-HTP (a.k.a. 5-hydroxytryptophan), the intermediate metabolite between the amino acid l-tryptophan and serotonin, is extracted from the bean of an African plant (griffonia simplicifolia).

5-HTP helps your brain produce serotonin, a neurotransmitter involved in sending messages through the nervous system that contribute to your mood and well-being. Pure & natural Extra Strength Helps your brain produce serotonin Supports positive mood

100 mg 5-hydroxytryptophan

Contains no: Sugar, salt, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives.

Additional Information

Quality Value Service Purity

Store in a cool, dry place.

Please recycle.

Good Manufacturing Practice Sourced from a GMP Certified Facility Quality Assured

Made in USA

100% satisfaction guaranteed

Product Details

UPC / SKU X000RTQ5ZT
DSLD Entry Date 2020-04-23
Product Type Amino acid/Protein
Form Capsule
DSLD ID 218961
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 →

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