🟢 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 Capsule(s) Serving Size
90 Servings
Amino acid/Protein Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

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

Other Ingredients

Magnesium Stearate Silicon Dioxide Microcrystalline Cellulose 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

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions for use: Adults: Take 1-2 capsules three times daily or as directed by your healthcare practitioner.

⚠️ Warnings & Precautions

Cautions and warnings: Some patients experience nausea or gastrointestinal upset and drowsiness when taking 5-HTP. If this occurs, please discuss dosing with your healthcare practitioner.

Please consult your healthcare practitioner before using this product if you are taking medications or supplements that have serotonergic activity; these include many antidepressants, St. John's wort, L-tryptophan, cold medications containing the ingredient dextromethorphan and some antimigraine medications. Consult your healthcare practitioner before using if you are pregnant or breast-feeding.

Do not use if seal is broken.

Keep out of reach of children.

🧪 Formulation Notes

5-HTP SAP naturally supports serotonin production, helping to regulate normal sleep, positive mood, appetite control, and body temperature.

All ingredients listed for this product lot number have been tested by a third-party laboratory for identity, potency, and purity.

Contains no: Gluten, soy, wheat, corn, eggs, dairy, preservatives, artificial flavor or color, starch, or sugar.

This product is non-GMO and vegan friendly.

This product is non-GMO and vegan friendly.

Color, size and smell may vary from one lot to another.

Supports serotonin production

Made in Canada

Additional Information

NPN 80029749

Product Details

UPC / SKU 8 56711 00176 4
DSLD Entry Date 2023-03-22
Product Type Amino acid/Protein
Form Capsule
Brand NFH
DSLD ID 275878
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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