🟢 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
30 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

Rice, Powder Bovine Gelatin Magnesium Stearate

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) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

Suggested use 1 to 2 capsules taken at bedtime with 8 ounces of water or as directed by a healthcare professional.

⚠️ Warnings & Precautions

Caution Do not exceed the recommended dose. Reduce dose if drowsiness occurs. Avoid driving or performing other potentially dangerous tasks while taking this formula. If you have questions about the advisability of taking this product, consult a physician prior to use. Do not use if safety seal is damaged or missing.

This product is not intended for pregnant or nursing mothers, children under the age of 18, or individuals taking any prescription medication including anti-depressants.

This product is not intended for pregnant or nursing mothers, children under the age of 18, or individuals taking any prescription medication including anti-depressants. Keep out of the reach of children.

This product is manufactured and packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish, and crustacean shellfish.

🧪 Formulation Notes

5-HTP is a chemical byproduct of tryptophan, which can be used to help support positive mood.

Help support positive mood

5-HTP 100 mg per serving

Additional Information

Store in a cool, dry place.

Portions Master specializes in superior, high quality supplements that help maintain a healthy lifestyle. Our focus is to offer unique products and support our customers with overall wellness. Whether you are trying to build lean muscle, seeking immune support and antioxidants, or if you prefer vitamin-enriched products; we've got it!

Formulated in the USA

Jer. 29:11

Product Details

UPC / SKU 6 28176 30516 5
DSLD Entry Date 2025-05-21
Product Type Amino acid/Protein
Form Capsule
DSLD ID 329683
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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