Brand: 21st Century

CapsuleOn Market
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Net Contents

110 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 40985 27116 2

Product Version

Not specified

Suggested Use

Directions: As a vitamin supplement; adults take one (1) capsule daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.

Market Reference

$2.85 – $108.56· 40 listings
  • 21st Century Biotin 5000 mcg

    Walmart4.7(7400)
    $12.60
  • 21st Century Extra Strength Hair, Skin & Nails Tablets

    Target4.6(7900)
    $14.96
  • 21st Century Advanced Formula Hair, Skin & Nails 50 Tablets

    Target4.6(12000)
    $12.02
  • 21st Century Biotin 5000 mcg Capsules,2 Count

    GoSupps.com4.7(7400)
    $39.99
  • 21st Century - Vita Joy Biotin 5000 mcg Chew 60 Count

    Mumzworld.com
    $16.88
  • 21st Century Vita-Joy Biotin 5000 Mcg Strawberry Flavor 120 Count

    Wellnessbetter.com4.6(384)
    $11.92
  • 21st Century Healthcare 21st Century Vitamin B-7 Biotin Supplement

    MFI Medical4.7(7400)
    $20.14
  • Case of 12-21st Century Biotin 5000 mcg High-Potency Capsules 110ct

    AmericanPharmaWholesale.com
    $68.65

Where to Buy Locally

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Research & Studies

  • Biotin Supplementation: The Complete Scientific Guide to Evidence and What the Research Actually Shows

    TC FREE, BMRC FREE - sighedeffects.com

    … Practical guidance for biotin supplement users: If you take biotin supplements at doses above 1,000 mcg, you should disclose this to any healthcare provider ordering laboratory tests, …

  • Dietary Supplements in Sport Performance

    K Mueller, L Lowery - 2025 - books.google.com

    … supplements and strategies for their use to enhance health … Over the past century, there has been tremendous progress … ingredients and dietary supplements aid health and physical …

    2025
  • The Natural Diabetes Cure: Curing Blood Sugar Disorders Without Drugs

    R Mason - 2013 - books.google.com

    … Please consult a health professional should the need for one … use of any particular diet or health program, but believes the … supplement keeps our digestive system strong and healthy. …

    20134 citations
  • A 'Standard of Care PLUS'Model for Preterm Birth Prevention: Integrating Nutrient and Gene Variant Analysis with Targeted Interventions

    LP Stone, ES Rydbom, PM Stone, D Kim - Journal of Personalized …, 2026 - mdpi.com

    2026
  • Vitamins and minerals

    CW Marshall - 1983 - cdn.centerforinquiry.org

    … medical facts are presented as they appeared in the medical … tributors of food supplements sold through "health food" stores… make part of the biotin and pantothenic acid that we need. …

    198353 citations
  • Evidence-Based Complementary, Alternative and Integrated Medicine and Efficacy and Safety: Fungal Infections

    YM Al-Worafi - Handbook of Complementary, Alternative, and …, 2025 - api.taylorfrancis.com

    … to a diverse group of medical and healthcare practices and prod‑ … , essential oils, and dietary supplements. The prevalence is … healthcare providers if they are taking high doses of biotin …

    2025

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-10-22. DSLD Label ID: 258315. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.