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Biotin 1000 mcg

Spring Valley
4.7
★ ★ ★ ★ ★
(1434 ratings)
Biotin 1000 mcg
Product Image
Score82
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:150 Softgel(s) • (150 servings)
Goals:
Hair Health
Skin Health

Score 82

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

Also available as

3 options
5000mcg • 240 Softgel(s) servings B7 5000 mcg • 240 Softgel(s) • 240 servings $8.87 ($0.03 per serving) 5000mcg • 120 servings B7 5000 mcg • 120 Softgel(s) • 120 servings $5.88 ($0.04 per serving) 10000mcg • 120 servings B7 10000 mcg • 120 Softgel(s) • 120 servings $8.88 ($0.07 per serving)
$3.78($0.02 per serving)
Walmart
$ 3.78
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Analysis

The 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 150-serving bottle make use simple, with strong practical value. Biotin at 1,000 mcg may interfere with some laboratory tests; disclose use before blood work and follow the testing clinician's instructions.

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 1,000 mcg of biotin
  • One softgel per serving
  • 150-serving supply
  • Identifies active d-biotin

Cons

  • Single-nutrient design lacks broader support
  • Benefits may be limited when biotin status is adequate
  • Does not address protein, mineral, or fatty-acid intake

Warnings

  • Biotin at 1,000 mcg may interfere with some laboratory tests; disclose use before blood work and follow the testing clinician's instructions.

Nutrient quality

85 Highest impact

Active d-biotin provides strong form confidence. The moderate 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

89 Highest impact

The moderate amount and verified active form provide good quality value. The very low even when adjusted for potency cost makes the product highly competitive within the category.

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Goals

Hair Health
Hair Health
Impact
Highest effect
C+ Goal FitA+ Strength of SupportD+ CoverageA+ Formula Quality
Biotin · 1000 mcg

Biotin at 1000 mcg can correct deficiency-related hair thinning but is unlikely to improve hair in people with adequate biotin status. The biological role in keratin production is established, while evidence for routine high-dose use is weak.

The amount is far above daily nutritional needs and is fully disclosed. High-dose biotin can distort thyroid, hormone, and cardiac troponin laboratory tests, so it should be stopped as directed before blood testing.

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

D-biotin is clearly identified, but biotin mainly supports skin when deficiency is present. A single-nutrient product does not address collagen, hydration, barrier lipids, or antioxidant protection.

The 1,000 mcg amount is much higher than basic nutritional needs. It can interfere with thyroid, hormone, and cardiac laboratory tests, so users should disclose it before bloodwork.

Study evidence
Biotin Supportive 10 studies

Ingredients

IngredientAmount per serving
Biotin (D-Biotin)
 1000 mcg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Biotin (D-Biotin) · 1000 mcg OverallScore84
A+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyA+ Value

The explicit d-Biotin form and clean softgel support good ingredient quality. The 1,000 mcg dose is clearly disclosed and economical, but it falls below the collection's stronger potency range. The lower potency may suit users who prefer a more modest supplemental amount, though visible structural benefits remain uncertain for people without deficiency.

View ingredientView products
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89 Performance

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California Gold Nutrition
<p>A clearly identified 10,000 mcg D-biotin serving offers more concentrated supplementation for users with a specific high-dose need. The streamlined formula is easy to assess, but the larger amount also raises the chance of laboratory-test interference.</p>
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<p>A clearly identified 10,000 mcg D-biotin serving offers more concentrated supplementation for users with a specific high-dose need. The streamlined formula is easy to assess, but the larger amount also raises the chance of laboratory-test interference.</p>
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<p>A clearly identified 5,000 mcg D-biotin serving offers more concentrated supplementation for users with a specific high-dose need. The streamlined formula is easy to assess, but the larger amount also raises the chance of laboratory-test interference.</p>
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<p>A simple 10,000 mcg biotin formula is among the most economical available candidates, although it does not cost less per serving than the original. The biotin amount is clear, although the label does not confirm the active D-biotin form. The concentrated amount can interfere with thyroid, hormone, and cardiac laboratory tests.</p>
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Nature's Bounty
<p>A simple 5,000 mcg biotin formula is among the most economical available candidates, although it does not cost less per serving than the original. The label identifies the active D-biotin form, which improves form certainty. The concentrated amount can interfere with thyroid, hormone, and cardiac laboratory tests.</p>
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AN Amazing Nutrition Amazing Formulas
<p>A simple 10,000 mcg biotin formula is among the most economical available candidates, although it does not cost less per serving than the original. The label identifies the active D-biotin form, which improves form certainty. The concentrated amount can interfere with thyroid, hormone, and cardiac laboratory tests.</p>
78 Value

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<p>A focused 5,000 mcg biotin formula offers clear dosing and a simple label, though the available candidate does not improve serving cost over the original. The biotin amount is clear, although the label does not confirm the active D-biotin form. High-dose biotin can distort several laboratory tests and is unlikely to add benefit when intake is already adequate.</p>
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Swanson
<p>A focused 5,000 mcg biotin formula offers clear dosing and a simple label, though the available candidate does not improve serving cost over the original. The biotin amount is clear, although the label does not confirm the active D-biotin form. High-dose biotin can distort several laboratory tests and is unlikely to add benefit when intake is already adequate.</p>
82 Value

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<p>A focused NaN mcg biotin formula offers clear dosing and a simple label, though the available candidate does not improve serving cost over the original. The biotin amount is clear, although the label does not confirm the active D-biotin form. High-dose biotin can distort several laboratory tests and is unlikely to add benefit when intake is already adequate.</p>
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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 forBiotin
  2. 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
  3. 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
  4. 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
  5. Biotinidase deficiency: the enzymatic defect in late-onset multiple carboxylase deficiency.
    Wolf B; Grier RE; Allen RJ; Goodman SI; Kien CL · Clinica chimica acta; international journal of clinical chemistry · 1983
    Case series5 participantsSkin Health forBiotin
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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