5-HTP 100 mg
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
1 mg
(59% DV)
✅ Within RDA (0.8× RDA of 1.3 mg)
📚 113 studies (Tier A: 3, B: 35)
100 mg
📊 Market median: 100.0mg (116 products)
📚 15 studies (Tier A: 0, B: 3)
Other Ingredients
Microcrystalline Cellulose
Dicalcium Phosphate
Gelatin
Stearic Acid
Magnesium Stearate
Silica
Label Claims — Verification
❓
All Other
All Other (99% of products)
Structure/Function (78% of products)
Nutrient (52% of products)
Target Groups
Adult (18 - 50 Years)
Gluten Free
Dairy Free
Sugar Free
Product Information
📋 Directions for Use
Directions: As a dietary supplement, take one capsule daily.
⚠️ Warnings & Precautions
Keep out of reach of children.
Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Discontinue use two weeks prior to surgery.
🧪 Formulation Notes
No sugar, no starch, no artificial colors, no artificial flavors, sodium free, no wheat, gluten free, no corn, no soy, no dairy.
Additional Information
Store in a cool, dry place.
For more information: 1-888-462-2548 GNC.com 30-Day Supply
Conforms to USP <2091> for weight. Meets USP <2040> disintegration.
Product Details
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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