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Biotin & Folate

4.7
★ ★ ★ ★ ★
(535 ratings)
Biotin 2500 mcg
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Score76
Methylfolate is a strong complement to 2.5 mg biotin, but the formula remains narrow and costly for a 30-day supply.
How scoring works
Tablet
Quantity:30 Tablet(s) • (30 servings)
Goals:
Nail Health
Hair Health

Score 76

Methylfolate is a strong complement to 2.5 mg biotin, but the formula remains narrow and costly for a 30-day supply.
How scoring works
$14.41($0.48 per serving)
iHerb
$ 14.41
Vitacost
$ 14.41
Amazon
$ 14.41
Pure Formulas
$ 14.41
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Analysis

The tablet combines 2.5 mg biotin with 800 mcg DFE folate as calcium L-5-methyltetrahydrofolate. Methylfolate is a strong form choice, while biotin is most likely to help when inadequate status is present.

The pairing does not supply protein, iron, zinc, or other nutrients involved in structural tissue and growth. It therefore cannot address many common nutritional reasons for hair, skin, or nail concerns.

Only 30 servings are included, and the serving cost is high for a two-ingredient formula. The elevated biotin amount should be disclosed before thyroid, hormone, or cardiac blood tests.

Who is it for
  • Adults wanting biotin plus methylfolate
  • People with an identified need for methylfolate
  • Users focused on simple two-nutrient coverage
Best for
  • Biotin intake support
  • Methylfolate supplementation
  • Normal cell-division support

Pros

  • Uses calcium L-5-methyltetrahydrofolate
  • Clearly stated 2.5 mg biotin
  • Simple two-ingredient formula

Cons

  • Only 30 servings
  • High serving cost
  • No structural proteins or minerals
  • Biotin isomer is not confirmed

Warnings

  • The 2.5 mg biotin amount can interfere with thyroid, hormone, and cardiac laboratory tests; disclose use before blood work

Nutrient quality

84 Highest impact

The formula offers some useful nutrient coverage but has limited potency or targeting. Methylfolate is specific but the biotin isomer is not identified, which reduces confidence in ingredient quality.

Ingredient transparency

85 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

68 High impact

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

Value for money

60 Moderate 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

Nail Health
Nail Health
Impact
High effect
C Goal FitC+ Strength of SupportD+ CoverageA Formula Quality
Biotin · 2500 mcg

Biotin provides a relevant route to nail health. Dose or form uncertainty limits confidence in the practical contribution.

The formula remains narrow rather than comprehensive. Biotin & Folate is best viewed as targeted support rather than proof of a clinical benefit.

Study evidence
Biotin Supportive 8 studies
Hair Health
Hair Health
Impact
Moderate effect
D+ Goal FitB+ Strength of SupportD CoverageB+ Formula Quality
Biotin · 2500 mcg

Biotin supports keratin production when deficiency is present, while methylfolate supports normal cell division. Neither nutrient is likely to improve hair in users whose status is already adequate.

Both amounts and the bioactive folate form are clearly disclosed. High-dose biotin can distort thyroid, hormone, and cardiac laboratory results unless use is disclosed before testing.

Study evidence
Biotin Supportive 4 studies
Folate Mixed 15 studies

Ingredients

IngredientAmount per serving
Folate (Calcium L-5-Methyltetrahydrofolate)
 800 mcg DFE
Biotin
2500 mcg
Gluten Free Adults 18–50 Vegetarian
Report overview
Biotin · 2500 mcg OverallScore67
B- Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyF Value

The exact biotin amount reaches the lower end of a targeted hair and nail dose. The tablet is acceptable but does not confirm d-biotin, and folate is the only additional active listed. Biotin at this amount may interfere with some laboratory tests, while the normalized cost is relatively high.

View ingredientView products
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89 Performance

Biotin 10000 mcg

California Gold Nutrition
<p>Explicit D-biotin labeling provides better form certainty than the original’s unspecified biotin form, while the 10,000 mcg amount supports concentrated use. The simple formula avoids unrelated active padding, but the dose can distort thyroid, hormone, and cardiac laboratory tests.</p>
83 Performance

Ultra Mega Biotin 10000 mcg

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<p>Explicit D-biotin labeling provides better form certainty than the original’s unspecified biotin form, while the 10,000 mcg amount supports concentrated use. The simple formula avoids unrelated active padding, but the dose can distort thyroid, hormone, and cardiac laboratory tests.</p>
80 Performance

Biotin

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<p>Explicit D-biotin labeling provides better form certainty than the original’s unspecified biotin form, while the 5,000 mcg amount supports concentrated use. The simple formula avoids unrelated active padding, but the dose can distort thyroid, hormone, and cardiac laboratory tests.</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

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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

Biotin 5000 mcg

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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

Biotin 5000 mcg

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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>
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 participantsHair 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. 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. 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
  5. 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
  6. 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
  7. Brittle nails: response to daily biotin supplementation.
    Hochman LG; Scher RK; Meyerson MS · Cutis · 1993
    Case series35 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. Nail Supplements: When, How, and Why?
    Zaraa I; Richert B · Skin appendage disorders · 2026
    Narrative reviewNail Health forBiotin
  10. Brittle nails.
    Iorizzo M; Pazzaglia M; M Piraccini B; Tullo S; Tosti A · Journal of cosmetic dermatology · 2009
    Narrative reviewNail Health forBiotin
  11. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
    Zhang W; Fan M; Wang C; Mahawar K; Parmar C; Chen W; Yang W; Global Bariatric Research Collaborative · Obesity surgery · 2021
    Meta-analysis2,538 participants18 studies pooledHair Health forFolate
  12. Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
    Al-Fawaeir S; Al-Odat I · Diseases (Basel, Switzerland) · 2025
    Case-control study200 participantsHair Health forFolate
  13. Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
    Saini A; Norman AR; Cunningham D; Chau I; Hill M; Tait D; Hickish T; Iveson T; Lofts F; Jodrell D; Ross PJ; Oates J · British journal of cancer · 2003
    Randomized trialHair Health forFolate
  14. Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
    Jonker D; Rumble RB; Maroun J; Gastrointestinal Cancer Disease Site Groupof Cancer Care Ontario’s Program in Evidence-Based Care · Current oncology (Toronto, Ont.) · 2012
    Randomized trialHair Health forFolate
  15. Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
    Nolè F; de Braud F; Aapro M; Minchella I; De Pas TM; Zampino MG; Monti S; Andreoni G; Goldhirsch A · Annals of oncology : official journal of the European Society for Medical Oncology · 1997
    Randomized trialHair Health forFolate
  16. 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