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Hair, Skin and Nails

product on market Capsule Dr. Mercola Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Biotin and keratin are commonly used to support structural integrity of hair and nails, while hyaluronic acid helps maintain skin hydration. Research evidence for these ingredients is generally moderate to limited regarding their efficacy in healthy individuals. The formulation maintains a high safety profile with no significant concerns noted.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Hair, Skin and Nails
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

5000 mcg (16667% DV)
166.7× RDA — above typical dose 27 studies (A:0, B:11)
Keratin
500 mg
Market median: 100.0mg (173 products)

Other Ingredients

Hydroxypropyl Methylcellulose Rice hull Rice Extract Gum Acacia Sunflower Oil
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

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.

Metadata

Product Details

UPC / SKU8 10487 03294 0
DSLD Entry Date2025-03-25
Product TypeOther Combinations
FormCapsule
DSLD ID327170
Data Updated2026-04-11
Research

Research Evidence

31
Research Sources
53
Avg Quality
12
Meta Analysis
9
Systematic Review
5
Rct
2
Clinical Trial
1
Regulatory Source
1
Openfda Safety
B Pentasaccharides for the treatment of deep vein thrombosis
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
B Quantitative comparison of the efficacy of clinical drug treatments for primary progressive multiple sclerosis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2023 PubMed DOI
B Dietary interventions for multiple sclerosis-related outcomes
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
B Interventions for infantile seborrhoeic dermatitis (including cradle cap)
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
B Effect of varicocelectomy on sperm deoxyribonucleic acid fragmentation rates in infertile men with clinical varicocele: a systematic review and meta-analysis
Meta Analysis Fertility and sterility 2021 PubMed DOI
B Effect of feeding biotin on milk production and hoof health in lactating dairy cows: a quantitative assessment
Meta Analysis Journal of dairy science 2011 PubMed DOI
B Factitious Graves' Disease Due to Biotin Immunoassay Interference-A Case and Review of the Literature
Systematic Review The Journal of clinical endocrinology and metabolism 2016 PubMed DOI
B Effect of biotin on milk performance of dairy cattle: a meta-analysis
Meta Analysis Journal of dairy science 2011 PubMed DOI
B PROVIT: Supplementary Probiotic Treatment and Vitamin B7 in Depression-A Randomized Controlled Trial
Rct Nutrients 2020 PubMed DOI
B High-dose biotin for multiple sclerosis: A systematic review and meta-analyses of randomized controlled trials
Meta Analysis Multiple sclerosis and related disorders 2021 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.