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Biotin 5000 mcg

Spring Valley
4.7
★ ★ ★ ★ ★
(2577 ratings)
Biotin 5000 mcg
Product Image
Score84
Focused biotin dosing and a one-softgel serving are practical, but the formula helps mainly when biotin intake is low and offers no broader structural support.
How scoring works
Quantity:120 Softgel(s) • (120 servings)
Goals:
Nail Health
Hair Health
Skin Health

Score 84

Focused biotin dosing and a one-softgel serving are practical, but the formula helps mainly when biotin intake is low and offers no broader structural support.
How scoring works
$5.88($0.04 per serving)
Walmart
$ 5.88
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Analysis

The very high biotin amount offers a direct way to supplement vitamin B7 without an unrelated blend. Benefits are most plausible for someone whose intake or status is inadequate, so a larger number on the label is not automatically more useful.

The label identifies active d-biotin, which improves form clarity. A biotin-only formula also leaves out protein, essential fats, and minerals that can influence hair, skin, and nail quality.

The one-softgel serving and 120-serving bottle make use simple, with strong practical value. Biotin at 5,000 mcg can distort thyroid, cardiac, hormone, and other laboratory tests; disclose use and follow the testing clinician's instructions before blood work.

Who is it for
  • Adults seeking a simple biotin-only supplement
  • People with an identified reason to increase biotin intake
Best for
  • Focused biotin supplementation
  • Simple one-unit daily dosing

Pros

  • Provides 5,000 mcg of biotin
  • One softgel per serving
  • 120-serving supply
  • Identifies active d-biotin

Cons

  • Single-nutrient design lacks broader support
  • Dose is far above ordinary nutritional needs
  • Does not address protein, mineral, or fatty-acid intake

Warnings

  • Biotin at 5,000 mcg can distort thyroid, cardiac, hormone, and other laboratory tests; disclose use and follow the testing clinician's instructions before blood work.

Nutrient quality

86 Highest impact

Active d-biotin provides strong form confidence. The high amount is focused, though beauty benefits remain uncertain when biotin status is adequate.

Ingredient transparency

84 Highest impact

The active amount is clearly disclosed without a proprietary blend. Complete use directions and non-active ingredients are not supplied.

Customer satisfaction

70 High impact

The supplied average rating is strong and the review base is large. No review text is available to assess recurring complaints or beauty-related experiences.

Value for money

96 Highest impact

The high amount and verified active form provide good quality value. The very low cost makes the product highly competitive within the category.

Report analysis

Goals

Nail Health
Impact
Highest effect
A Goal FitA+ Strength of SupportC- CoverageA+ Formula Quality
Biotin · 5000 mcg

Biotin directly supports keratin production and is well aligned with brittle-nail support. The high amount reaches a focused supplementation range.

The active d-biotin form and exact amount are clearly disclosed. Biotin at this level can interfere with thyroid, hormone, and troponin laboratory tests, so it should be reported before bloodwork.

Study evidence
Biotin Supportive 8 studies
Hair Health
Impact
High effect
C+ Goal FitA+ Strength of SupportD CoverageA+ Formula Quality
Biotin · 5000 mcg

Biotin supports keratin production and may help hair quality when intake or status is low. Evidence for improving growth or shedding in people without deficiency is limited.

The high amount is fully disclosed, and the active d-Biotin form is identified. High-dose biotin can distort thyroid, hormone, and cardiac blood tests, so it should be disclosed before laboratory testing.

Study evidence
Biotin Supportive 4 studies
Skin Health
Impact
Moderate effect
D- Goal FitB+ Strength of SupportF CoverageB Formula Quality

Biotin supports normal skin mainly when a deficiency is present. Evidence for improving skin in otherwise well-nourished people is limited.

The d-biotin form and transparent amount are formulation strengths, but the product covers no hydration, collagen, or antioxidant pathway. The high biotin intake may interfere with thyroid, hormone, and cardiac laboratory tests, so it should be disclosed before bloodwork.

Study evidence
Biotin Supportive 10 studies

Ingredients

IngredientAmount per serving
Biotin (D-Biotin)
5000 mcg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Biotin (D-Biotin) · 5000 mcg OverallScore100
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

A full target-range dose of d-Biotin is delivered in a simple softgel with no listed penalized additives. Exact dose disclosure and very low normalized cost are meaningful strengths. The 5,000 mcg dose may interfere with some laboratory tests, so users should disclose it before bloodwork.

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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 participantsSkin Health Hair Health Nail Health forBiotin
  2. 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
  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. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsSkin Health Hair Health forBiotin
  5. 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
  6. Anti-pollution cosmetic-based one-step formation of w/o/w multiple emulsion containing D-biotin for skin protection: fabrication and in vitro and in vivo evaluation.
    Ali A; Iqbal S; Ilyas A; Khan H; Asad MHHB; Fatima N; Akhtar N · Drug delivery and translational research · 2020
    Non-randomized trial15 participantsSkin Health forBiotin
  7. Interventions for infantile seborrhoeic dermatitis (including cradle cap).
    Victoire A; Magin P; Coughlan J; van Driel ML · The Cochrane database of systematic reviews · 2019
    Systematic review35 participants2 studies pooledSkin Health forBiotin
  8. Final report on the safety assessment of biotin.
    Fiume MZ; Cosmetic Ingredient Review Expert Panel · International journal of toxicology · 2002
    Narrative reviewSkin Health forBiotin
  9. 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
  10. 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
  11. Brittle nails: response to daily biotin supplementation.
    Hochman LG; Scher RK; Meyerson MS · Cutis · 1993
    Case series35 participantsNail Health forBiotin
  12. Nail Supplements: When, How, and Why?
    Zaraa I; Richert B · Skin appendage disorders · 2026
    Narrative reviewNail Health forBiotin
  13. Brittle nails.
    Iorizzo M; Pazzaglia M; M Piraccini B; Tullo S; Tosti A · Journal of cosmetic dermatology · 2009
    Narrative reviewNail Health forBiotin
  14. 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
  15. 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
  16. 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
  17. 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