Ultra 5-HTP Formula
98/100
This product looks safe
- Niacinamide: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
- 70% of ingredients have research evidence
C
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Niacinamide: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
Label Data
2 Capsule(s)
Serving Size
90
Servings
Other Combinations
Product Type
70%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin A
1000 IU
(20% DV)
Vitamin C
100 mg
(167% DV)
30 IU
(100% DV)
✅ 1.3× RDA — within safe limits
📚 177 studies (Tier A: 3, B: 90)
5 mg
(333% DV)
📊 4.2× RDA — above typical dose
📚 76 studies (Tier A: 0, B: 33)
5 mg
(294% DV)
📊 3.8× RDA — above typical dose
📚 12 studies (Tier A: 0, B: 1)
50 mg
(250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg)
📚 193 studies (Tier A: 5, B: 63)
800 mcg
(200% DV)
✅ 2.0× RDA — within safe limits
📚 225 studies (Tier A: 10, B: 105)
1000 mcg
(16667% DV)
📊 416.7× RDA — above typical dose
📚 138 studies (Tier A: 1, B: 44)
5 mg
(50% DV)
✅ Within RDA (1.0× RDA of 5 mg)
📚 1 studies — no high-quality reviews
50 mg
(13% DV)
📊 Market median: 4002.0mg (1 products)
📚 20 studies (Tier A: 0, B: 2)
10 mg
(67% DV)
✅ Within RDA (0.9× RDA of 11 mg)
📚 258 studies (Tier A: 6, B: 134)
100 mcg
(83% DV)
✅ 2.9× RDA — within safe limits
📚 197 studies (Tier A: 1, B: 55)
125 mg
📊 Market median: 100.0mg (116 products)
📚 15 studies (Tier A: 0, B: 3)
100 mg
📊 Market median: 500.0mg (223 products)
📚 22 studies (Tier A: 0, B: 1)
100 mg
📊 Market median: 420.0mg (227 products)
Octacosanol
1500 mcg
30 mg
📊 Market median: 300.0mg (240 products)
📚 11 studies — no high-quality reviews
15 mg
📊 Market median: 120.0mg (440 products)
📚 187 studies (Tier A: 1, B: 71)
25 mg
📊 Market median: 550.0mg (217 products)
📚 29 studies (Tier A: 0, B: 5)
20 mg
📊 15.4× RDA — above typical dose (UL: 100 mg)
📚 113 studies (Tier A: 3, B: 35)
Other Ingredients
Cellulose
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)
Dairy Free
Sugar Free
Product Information
📋 Directions for Use
Suggested Usage: As a dietary supplement, adults take 2 capsules daily or as directed by physician.
⚠️ Warnings & Precautions
KEEP OUT OF REACH OF CHILDREN.
TAMPER RESISTANT PACKAGE, DO NOT USE IF OUTER SEAL IS MISSING.
🧪 Formulation Notes
This product contains NO yeast, wheat gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, pre-servatives or flavoring.
Additional Information
STORE IN A COOL, DRY PLACE.
Formula #85080
Product Details
DSLD Entry Date
2012-06-25
Product Type
Other Combinations
Form
Capsule
Brand
Douglas Laboratories
DSLD ID
10298
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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