Hair, Skin and Nails
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 33% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
1 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
33%
Evidence Coverage
Supplement Facts — Evidence Check
5000 mcg
(16667% DV)
📊 166.7× RDA — above typical dose
📚 26 studies (Tier A: 0, B: 11)
Keratin
500 mg
20 mg
📊 Market median: 100.0mg (173 products)
Other Ingredients
Hydroxypropyl Methylcellulose
Rice hull
Rice Extract
Gum Acacia
Sunflower Oil
Label Claims — Verification
❓
Nutrient
❓
All Other
All Other (100% of products)
Structure/Function (91% of products)
Nutrient (57% of products)
Target Groups
Adult (18 - 50 Years)
Product Information
📋 Directions for Use
Suggested Use: Adults, as a dietary supplement, take one (1) capsule daily with a meal.
⚠️ Warnings & Precautions
Keep out of reach of children.
Do not use if safety seal is broken.
If you are nursing, pregnant, taking medication or have a medical condition, consult your physician before taking this product.
🧪 Formulation Notes
Biotin, Keratin & Hyaluronic Acid
Additional Information
Providing quality products since 2001.
Product Details
UPC / SKU
8 10487 03294 0
DSLD Entry Date
2025-03-25
Product Type
Other Combinations
Form
Capsule
Brand
Dr. Mercola
DSLD ID
327170
Data Updated
2026-04-11
Research Evidence
31
Research Sources
53
Avg Quality Score
12
Meta Analysis
9
Systematic Review
5
Rct
2
Clinical Trial
1
Regulatory Source
1
Openfda Safety
B
Quantitative comparison of the efficacy of clinical drug treatments for primary progressive multiple sclerosis
B
Effect of varicocelectomy on sperm deoxyribonucleic acid fragmentation rates in infertile men with clinical varicocele: a systematic review and meta-analysis
B
Effect of feeding biotin on milk production and hoof health in lactating dairy cows: a quantitative assessment
B
Factitious Graves' Disease Due to Biotin Immunoassay Interference-A Case and Review of the Literature
B
PROVIT: Supplementary Probiotic Treatment and Vitamin B7 in Depression-A Randomized Controlled Trial
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