Biotin 5000 mcg

Biotin 5000 mcg

21st Century4.7 (15,415 ratings)
Format:Capsule Quantity: 110 Capsule(s) · 110 servings
Goals
$7.99 $0.07 per serving

Product analysis

65 out of 100

Biotin 5000 mcg provides biotin alongside calcium at a favorable cost for the biotin amount supplied.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality27

The biotin form is not specified, leaving its exact identity less clear. Calcium is named as dicalcium phosphate, but its comparative quality remains uncertain.

Ingredient Transparency81

Amounts are disclosed throughout, and some ingredient forms or sources are named. The remaining omissions make part of the formula harder to compare.

Value For Money80

The biotin contribution is inexpensive for the amount supplied. The calcium contribution cannot be compared reliably on cost.

Customer Satisfaction91

Customer feedback is very positive across a substantial number of ratings. The ratings reflect satisfaction and do not establish effectiveness or safety.

Product Focus71

The compact formula appears reasonably aligned with its intended uses. A limited range of uses keeps the purpose fairly clear.

Format
Capsule
Container
110 Capsule(s)
Per serving
$0.07
Customer rating
4.7 · 15,415 ratings
Report analysis

Goals

Nail Health
Impact
Highest effect
A+ Ingredient FitB- PathwaysA+ EvidenceA+ Formulation Logic
Biotin · 5000 mcg
Study evidence
Biotin Supportive 8 studies
Calcium Supportive 1 study
Impact
High effect
B+ Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Biotin · 5000 mcg
Study evidence
Biotin Supportive 4 studies
Skin Health
Impact
Moderate effect
B+ Ingredient FitF PathwaysD+ EvidenceA+ Formulation Logic
Study evidence
Biotin Supportive 10 studies

Ingredients

IngredientAmount per servingScore
Biotin
5000 mcg 93
Calcium (Dicalcium Phosphate)
113 mg
Gluten Free Adults 18–50
Report overview
Biotin · 5000 mcg OverallScore93
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
5,000 mcg of biotin per serving is clearly stated; the cost is low for the amount of biotin. The label lists biotin without specifying its isomer. No artificial colors or sweeteners are indicated.
How this ingredient is rated

Active Ingredient Quality & Bioavailability82

The label lists biotin without specifying its isomer. No artificial colors or sweeteners are indicated.
Biologically Active d-Biotin Isomer
The label lists biotin without specifying its isomer.
Excipient Purity
No artificial colors or sweeteners are indicated.

Dose, Safety & Label Transparency100

The serving provides 5,000 mcg of biotin. The amount is clearly listed.
Biotin Potency for Health Goals
The serving provides 5,000 mcg of biotin.
Label Transparency & Exact Disclosure
The label clearly lists 5,000 mcg of biotin per serving.

Value100

The cost is low for the amount of biotin.
Price per 5,000 mcg Biotin
The cost is low for the amount of biotin.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
    Patel MN; Maheshvari J; Patel N · Cureus · 2025
    Randomized trial105 participantsHair Health Nail Health Skin Health forBiotin
  2. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsHair Health Skin Health forBiotin
  3. Vitamins A, B, C, and D: A Short Review for the Dermatologist.
    Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
    Narrative reviewHair Health forBiotin
  4. The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
    Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
    Narrative reviewHair Health forBiotin
  5. Biotin for the treatment of nail disease: what is the evidence?
    Lipner SR; Scher RK · The Journal of dermatological treatment · 2018
    Narrative reviewNail Health forBiotin
  6. Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy.
    Colombo VE; Gerber F; Bronhofer M; Floersheim GL · Journal of the American Academy of Dermatology · 1991
    Other32 participantsNail Health forBiotin
  7. Treatment of brittle nail with a hydroxypropyl chitosan-based lacquer, alone or in combination with oral biotin: A randomized, assessor-blinded trial.
    Chiavetta A; Mazzurco S; Secolo MP; Tomarchio G; Milani M · Dermatologic therapy · 2020
    Randomized trial50 participantsNail Health forBiotin
  8. Vitamins and minerals: their role in nail health and disease.
    Scheinfeld N; Dahdah MJ; Scher R · Journal of drugs in dermatology : JDD · 2007
    Narrative reviewNail Health forBiotin
  9. Predictive Model of Nail Consistency Using Scanning Electron Microscopy with Energy-Dispersive X-Ray.
    Mingorance Álvarez E; Martínez Quintana R; Pérez Pico AM; Mayordomo R · Biology · 2021
    Cross-sectional study57 participantsNail Health forCalcium
  10. Evaluation of biophysical skin parameters and hair changes in patients with acne vulgaris treated with isotretinoin, and the effect of biotin use on these parameters.
    Aksac SE; Bilgili SG; Yavuz GO; Yavuz IH; Aksac M; Karadag AS · International journal of dermatology · 2021
    Non-randomized trial60 participantsSkin Health forBiotin
  11. Generalized seborrhoeic dermatitis. Clinical and therapeutic data of 25 patients.
    Messaritakis J; Kattamis C; Karabula C; Matsaniotis N · Archives of disease in childhood · 1976
    Non-randomized trial25 participantsSkin Health forBiotin
  12. Holocarboxylase synthetase deficiency: novel clinical and molecular findings.
    Tammachote R; Janklat S; Tongkobpetch S; Suphapeetiporn K; Shotelersuk V · Clinical genetics · 2010
    Case series4 participantsSkin Health forBiotin