5-HTP Plus

product on market Capsule OL Olympian Labs 🟢 Safety: 100/100
Brand: OL Olympian Labs
🟢 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

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Label Data

1 Capsule(s) Serving Size
30 Servings
Botanical with Nutrients Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

10 mg (500% DV)
📊 7.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 10mg UL 100mg
Calcium
80 mg (8% DV)
40 mg (10% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 40mg
100 mg
📊 Market median: 100.0mg (116 products) 📚 15 studies (Tier A: 0, B: 3)
This product: 100mg
100 mg
📊 Market median: 300.0mg (214 products) 📚 23 studies (Tier A: 0, B: 6)
This product: 100mg
Hops
50 mg

Other Ingredients

Vegetarian Capsule Rice Flour Microcrystalline Cellulose Silicon Dioxide Ascorbyl Palmitate

Label Claims — Verification

❓ 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) No Allergies Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, take one (1) capsule one to two times daily, or as directed by a healthcare professional.

⚠️ Warnings & Precautions

Caution: If you are pregnant or nursing, have a medical condition, or are taking medication, consult your healthcare professional before using this or any other nutritional supplement.

Discontinue use if allergic reaction occurs.

Keep out of reach of children.

🧪 Formulation Notes

Vegan

Gluten free

Allergen free

No: Milk, eggs, fish, crustaceans shellfish, tree nuts, peanuts, wheat, or soybeans.

Non-GMO

Allergen free

Additional Information

Olympian Labs, Inc. products are made with the highest quality ingredients and manufactured according to current Good Manufacturing Practices (cGMP).

We do not use ingredients that were produced using modern biotechnology

Store in a cool, dry place.

Promotes a calm & relaxed mood

Helps reduce stress & anxiety

Appetite suppressant aid

30 servings

REV 05-10-16

Product Details

UPC / SKU 7 10013 00106 1
DSLD Entry Date 2016-12-23
Product Type Botanical with Nutrients
Form Capsule
Brand OL Olympian Labs
DSLD ID 67096
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
PubMed DOI
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2001
PubMed Cochrane
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002
PubMed Cochrane
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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