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Biotin 1 mg

4.7
★ ★ ★ ★ ★
(1188 ratings)
Biotin 1000 mcg
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Score79
1 mg of biotin offers focused support in a tablet, but extra intake may add little when status is already adequate. D-biotin is clearly identified.
How scoring works
Tablet
Quantity:100 Tablet(s) • (100 servings)
Goals:
Skin Health
Hair Health

Score 79

1 mg of biotin offers focused support in a tablet, but extra intake may add little when status is already adequate. D-biotin is clearly identified.
How scoring works
$14.19($0.14 per serving)
iHerb
$ 14.19
Pure Formulas
$ 14.19
Amazon
$ 14.19
Vitacost
$ 14.19
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Analysis

The moderate 1 mg serving gives focused biotin coverage in a tablet format. Biotin supports normal keratin metabolism, but visible hair or nail improvement is most plausible when inadequate intake or low status is a factor.

The biologically active d-biotin form is identified, removing uncertainty about the isomer. The focused label makes the dose simple to track. No complementary nutrients are included for broader hair, skin, or nail support.

The package provides 100 servings. The 100-tablet supply supports a simple daily routine. Biotin use still needs to be disclosed before laboratory testing because assay interference can create misleading results.

Who is it for
  • Adults with low biotin intake or a clinician-identified need
  • People who prefer a tablet
  • Users focused on hair health and skin health
Best for
  • Simple single-nutrient supplementation
  • Hair health support when biotin status is low
  • Skin health support when biotin status is low

Pros

  • Clearly stated 1 mg biotin amount
  • 100-serving supply
  • Simple tablet format
  • Confirms d-biotin

Cons

  • Single-nutrient formula has narrow coverage
  • Evidence is limited for users with adequate biotin status
  • No complementary structural or mineral support

Warnings

  • Biotin can interfere with some thyroid, hormone, and cardiac laboratory assays; disclose the 1 mg serving before blood work

Nutrient quality

84 Highest impact

The formula offers some useful nutrient coverage but has limited potency or targeting. D-biotin is clearly identified, which reduces confidence in ingredient quality.

Ingredient transparency

87 Highest impact

All listed active ingredients have specific amounts and no proprietary blend hides the core formula. Complete inactive ingredients and full daily-use directions are not supplied.

Customer satisfaction

70 High impact

The aggregate satisfaction signal is strong and the supplied volume is substantial. No specific experience details are provided to assess repeated complaints or purpose-related outcomes.

Value for money

72 High impact

The formula has coherent active ingredients but only moderate serving value. Similar products may offer a lower serving burden or clearer quality details.

Report analysis

Goals

Skin Health
Skin Health
Impact
High effect
C Goal FitB+ Strength of SupportD- CoverageA Formula Quality

Biotin supports normal skin-cell metabolism, but visible skin benefit is most dependable when biotin status is low. The 1,000 mcg amount provides focused nutritional depth without evidence for broad skin improvement in well-nourished users.

The biologically active D-biotin form and exact amount are clearly disclosed. The single-vitamin design does not address hydration, collagen supply, or antioxidant protection.

Study evidence
Biotin Supportive 10 studies
Hair Health
Hair Health
Impact
Moderate effect
D Goal FitB Strength of SupportF CoverageA- Formula Quality
Biotin · 1000 mcg

Biotin can support hair when deficiency is present, but deficiency is uncommon. High intake has not been shown to improve hair growth in most people with adequate status.

Active d-biotin is clearly identified at a lower high-potency amount. High-dose biotin can interfere with thyroid and cardiac-marker laboratory tests, so the dose should be disclosed before blood work.

Study evidence
Biotin Supportive 4 studies

Ingredients

IngredientAmount per serving
Biotin (D-Biotin)
 1000 mcg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Halal Vegetarian
Report overview
Biotin (D-Biotin) · 1000 mcg OverallScore65
A Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyF Value

The disclosed amount is modest for a biotin-focused hair and nail goal. The named d-biotin form strengthens confidence in biological activity. The normalized cost is less favorable when adjusted to a higher biotin dose.

View ingredientView products
Loading alternative details
89 Performance

Biotin 10000 mcg

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>
83 Performance

Ultra Mega Biotin 10000 mcg

Puritan's Pride
<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>
80 Performance

Biotin

Jarrow Formulas
<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>
76 Budget

Biotin 10000 mcg

Best Naturals
<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>
81 Budget

Biotin 5000 mcg

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>
76 Budget

Biotin made with Coconut Oil 10000 mcg

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

Biotin 5000 mcg

Nutricost
<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>
80 Value

Biotin 5000 mcg

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

Biotin 5000 mcg Strawberry Burst

EZ Melts
<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