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5-HTP 200 mg

product on market Capsule NutraBio Safety: 100/100
100/100

This product looks safe

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

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

5-HTP is used to increase serotonin levels, while Vitamin B6 acts as a cofactor in its synthesis. There is moderate research evidence supporting these ingredients for mood regulation and sleep support. The overall evidence coverage for this specific formulation is limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for 5-HTP 200 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetable Capsule(s)
Serving Size
90
Servings
Other Combinations
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

50 mg (2500% DV)
38.5× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
200 mg
Market median: 100.0mg (116 products) 18 studies (A:0, B:3)

Other Ingredients

Vegetable Capsule
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 1 capsule 1-2 times a day or as directed by your physician.

Warnings & Precautions

Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.

If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product.

Discontinue use two weeks prior to surgery.

Formulation Notes

Vegetarian

Gluten free Non-GMO Lactose free No excipients, no fillers, allergen free, no artificial color, flavor or sweetener, no preservatives, no starch, no sugar, no soy, no wheat, no yeast, no fish, no milk, sodium free.

Manufactured in our GMP & FDA inspected facility FDA Registration: 16906175560

5-Hydroxytryptophan

Supports positive mood & restful sleep

OU (Kosher)

Full label transparency

Additional Information

Since 1996

Made in USA with ingredients sourced worldwide

OU (Kosher)

Store in a cool dry place.

Metadata

Product Details

UPC / SKU6 49908 27006 3
DSLD Entry Date2021-04-22
Product TypeOther Combinations
FormCapsule
DSLD ID248182
Data Updated2026-04-11
Research

Research Evidence

21
Research Sources
53
Avg Quality
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 PubMed DOI
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2001 PubMed
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002 PubMed
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 PubMed DOI
B The Impact of 5-Hydroxytryptophan Supplementation on Cognitive Function and Mood in Singapore Older Adults: A Randomized Controlled Trial
Rct Nutrients 2025 PubMed DOI
B The Efficacy of Different Triptans for the Treatment of Acute Headache in Pediatric Migraine: A Systematic Review
Systematic Review Indian pediatrics 2023 PubMed
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 PubMed DOI
C Sleep disorders in children
Systematic Review BMJ clinical evidence 2010 PubMed
C Effects of 5-hydroxytryptophan on distinct types of depression: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2020 PubMed DOI
C Investigating genetic links between biological aging and adverse pregnancy outcomes
Meta Analysis Biogerontology 2025 PubMed DOI
View all evidence for 5 Htp →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.