Biotin 800 mcg®
Single Vitamin & MineralBrand: 21st Century
Functions
Net Contents
110 Easy Swallow Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
110
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
7 40985 22881 4
Product Version
500704-0520N
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
2 ingredients report a %DV; 1 meet or exceed 100% DV.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Biotin | 800 mcg | 2667% |
| Calcium(Calcium Carbonate, Dicalcium Phosphate) | 88 mg | 7% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: As a vitamin supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider.
Warnings & Precautions
Precautions re: All Other
Do not exceed recommended dosage.
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.
Precautions re: All Other
Stop use and contact a physician if adverse reactions occur.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if product appears to be tampered with or seal is broken.
Storage
Storage
Store at room temperature.
Formulation
Formulation re: Does NOT Contain
No added sugar, yeast, preservatives, artificial flavors or colors
Formulation re: Other
Hair, Skin & Nail Support
Formulation re: Does NOT Contain
Gluten Free
Formula re: Contains
Biotin is part of the B-Complex vitamin family.
FDA Statements
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Vitamin Supplement
Other Label Statements
General Statements: All Other Content
Individual results vary.
Seals/Symbols
Guaranteed Quality Laboratory Tested
General Statements: All Other Content
Actual size
Manufacturer & Distributor
Manufacturer
21st Century HealthCare, Inc.
2119 S. Wilson St., Tempe, AZ, 85282, USA
Market Reference
21st Century Biotin mcg
21st-century-vitamins4.8(5800)$4.99Lowest21st Century Biotin 360 Tablets
21st-century-vitamins4.7(18000)$21.9921st Century Hair, Skin & Nails Extra Strength Tablets
Target4.6(8100)$14.5021st Century Advanced Formula Hair, Skin & Nails 50 Tablets
Walmart - OTCRx4U4.6(4800)$9.0121st Century Biotin 800 mcg - 110 Tablets Pack of 2
GoSupps.com4.8(5800)$34.9921st Century Biotin 800 mcg 110 Easy Swallow Tablets
GoSupps.com4.8(3700)$44.9921st Century Vitajoy Biotin Gummies
iHerb4.6(397)$11.99
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
GNC
4.0 (52)Vitamin & supplements store
3873 NY-31, Liverpool, NY 13090
Discount Natural Foods & Vitamin Warehouse
2.9 (230)Vitamin & supplements store
3990 New Ct Ave, Syracuse, NY 13206
Mother Earth Health Foods
4.8 (66)Health food store
733 S Bay Rd, Syracuse, NY 13212
The Vitamin Shoppe
4.4 (125)Vitamin & supplements store
3425 Erie Blvd E, Syracuse, NY 13214
GNC
4.6 (99)Vitamin & supplements store
9601 Carousel Ctr, Syracuse, NY 13290
Walgreens
4.2 (15)Vitamin & supplements store
7398 Oswego Rd, Liverpool, NY 13090
CVS
3.6 (9)Drug store
3857 NY-31, Liverpool, NY 13090
Kinney Drugs
4.0 (58)Drug store
7608 Oswego Rd #21, Liverpool, NY 13090
Research & Studies
Vitamins A, B, C, and D: A short review for the dermatologist
KM Coerdt, CA Goggins… - … Therapies in Health and …, 2021 - search.proquest.com
… supplement that contains biotin.A singlesite trial by Ablon investigated the impact of daily intake of this biotin-containing, marine-protein supplement on healthy … in the supplement-…
202127 citationsBiotin Supplementation: Efficacy and Clinical Risks
JO BCHN, C CN - Integrative Medicine, 2025 - search.proquest.com
… in healthy individuals is enhanced at high doses of biotin. The National Institute of Health (NIH) indicates that high-dose biotin … with laboratory tests using biotin-streptavidin interactions …
2025Prescription for Nutritional Healing: A Practical A-to-Z Reference to Drug-Free Remedies Using Vitamins, Minerals, Herbs & Food Supplements
PAB CNC - 2010 - books.google.com
… Although a healthy diet is the backbone of any nutritional program, we believe that most if not all people should supplement their diets with the proper nutrients to achieve wellness. …
20106 citationsVitamin B7 (Biotin) and its role in hair, skin and nail health
S Kannan, J Balakrishnan, P Nagarajan - Hydrophilic Vitamins in Health …, 2024 - Springer
… Biotin levels [11]. In summary, vitamins like Biotin’s indispensable role in maintaining our health … Understanding their intricate functions and recognizing the potential benefits of Biotin for …
202412 citationsNew advances about the effect of vitamins on human health: vitamins supplements and nutritional aspects
NG Uribe, MR García-Galbis… - … food-improve health …, 2017 - intechopen.com
… about vitamins and their effects on human health, and to identify direct correlations between these compounds and health. The effects of vitamins supplements on diet are also explored. …
201718 citationsRecent vitamin research
MH Briggs - 1984 - api.taylorfrancis.com
… Until recently there had been only four reports of the effects of biotin deficiency on humans.5,6’33’34 In one study,33 four healthy adult volunteers were followed on a biotindeficient …
198413 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-02-23. DSLD Label ID: 326315. 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.
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