5-HTP Plus Formula
90/100
This product looks safe
- Contains proprietary blend — exact ingredient amounts not disclosed
- 67% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Safety Alerts
ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed
Label Data
1 Vegetarian Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
67%
Evidence Coverage
Supplement Facts — Evidence Check
75 mg
📊 Market median: 100.0mg (116 products)
📚 15 studies (Tier A: 0, B: 3)
7.5 mg
📊 5.8× RDA — above typical dose (UL: 100 mg)
📚 113 studies (Tier A: 3, B: 35)
Proprietary Blend
50 mg
Other Ingredients
Microcrystalline Cellulose
Capsule
Silica
Label Claims — Verification
❓
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)
Gluten Free
Product Information
📋 Directions for Use
Suggested Usage:As a dietary supplement, adults take 1 capsule daily or as directed by your health professional.
⚠️ Warnings & Precautions
Warning: Not to be taken by pregnant or lactating women. If you have any health condition or are taking any medication, particularly antidepressants or other psychiatric medications, consult your health professional before use.
Keep out of reach of children.
Use only if safety seal is intact.
🧪 Formulation Notes
Gluten Free, Non-GMO
Brain serotonin precursor
Additional Information
Store in a cool, dry place.
Scan to learn about our manufacturing excellence Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity.
Product Details
UPC / SKU
3 10539 85073 2
DSLD Entry Date
2020-08-23
Product Type
Other Combinations
Form
Capsule
Brand
Douglas Laboratories
DSLD ID
232007
Data Updated
2026-04-11
Research Evidence
21
Research Sources
53
Avg Quality Score
11
Systematic Review
6
Rct
4
Meta Analysis
B
The impact of 5-hydroxytryptophan supplementation on sleep quality and gut microbiota composition in older adults: A randomized controlled trial
B
The Impact of 5-Hydroxytryptophan Supplementation on Cognitive Function and Mood in Singapore Older Adults: A Randomized Controlled Trial
B
The Efficacy of Different Triptans for the Treatment of Acute Headache in Pediatric Migraine: A Systematic Review
B
The effect of therapeutic massage combined with conventional therapy in children with functional dyspepsia: a systematic review and meta-analysis
C
Sleep disorders in children
C
Effects of 5-hydroxytryptophan on distinct types of depression: a systematic review and meta-analysis
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