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Biotin 1000 mcg

4.8
★ ★ ★ ★ ★
(78 ratings)
Biotin 1000 mcg
Product Image
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:120 Tablet(s) • (120 servings)
Goals:
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
$11.80($0.09 per serving)
iHerb
$ 11.80
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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 120 servings. The long supply is practical, although the formula remains narrowly focused. 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
Best for
  • Simple single-nutrient supplementation
  • Hair health support when biotin status is low

Pros

  • Clearly stated 1 mg biotin amount
  • 120-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

64 Moderate impact

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

Value for money

76 High impact

The simple formula provides favorable serving value without obvious low-value additions. Incomplete form and inactive-ingredient details keep the quality comparison from being fully settled.

Report analysis

Goals

Hair Health
Healthy Hair Growth Cycle
Hair Health
Impact
Moderate effect
D+ Goal FitB- Strength of SupportF CoverageA Formula Quality
Biotin · 1000 mcg

Clearly identified d-biotin provides focused nutritional support for keratin production. The amount exceeds routine needs and may be useful when low biotin status contributes to brittle hair.

Evidence is weak for improving hair in people who already get enough biotin, and the formula covers no other shedding pathway. Biotin can distort some thyroid, cardiac, and hormone laboratory tests, so users should disclose it before testing.

Study evidence
Biotin Supportive 4 studies

Ingredients

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

Explicit d-biotin gives strong form confidence, but the amount provides only moderate potency. The tablet delivery is less favorable than a capsule and no artificial-additive details are supplied beyond the active list. Normalized cost is high for the delivered standalone amount.

View ingredientView products
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89 Performance

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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 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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<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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<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>
80 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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<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 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
  2. 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
  3. 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 forBiotin
  4. 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 forBiotin