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Biotin 300 mcg

product on market Tablet or Pill Wonder Laboratories Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Biotin is a B-vitamin that supports metabolic functions and the production of keratin for hair and nail health. Research evidence for these benefits is generally limited to individuals with a deficiency. This supplement provides a low dose of biotin with a high safety profile.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Biotin 300 mcg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
100
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

300 mcg (100% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)

Other Ingredients

Calcium Phosphate Vegetable Cellulose Vegetable Stearic Acid Silica Vegetable Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take 1 tablet daily, preferably with a meal.

Warnings & Precautions

Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Keep out of reach of children.

Caution: If you are pregnant or nursing, consult your physician before taking this product.

Formulation Notes

Biotin, a member of the B-vitamin family, is an essential nutrient in human nutrition. It is involved in the biosynthesis of fatty acids, gluconeogenesis, energy production, the metabolism of the branchedchain amino acids (L-leucine, L-isoleucine, L-valine) and the de novo synthesis of purine nucleotides.

Mfg. in an FDA Registered Facility using Good Manufacturing Practices (GMPs)

Nutritionally supports hair & nail health Promotes sugar metabolism

Gluten free

Vegetarian formula

Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability. Made in USA

Additional Information

Keep tightly closed. Store at room temperature: 59 degrees-86 degrees F (15 degrees-30 degrees C).

Reorder #4081

Metadata

Product Details

DSLD Entry Date2021-11-19
Product TypeVitamin
FormTablet or Pill
DSLD ID260463
Data Updated2026-04-11
Research

Research Evidence

31
Research Sources
53
Avg Quality
12
Meta Analysis
9
Systematic Review
5
Rct
2
Clinical Trial
1
Regulatory Source
1
Openfda Safety
B Pentasaccharides for the treatment of deep vein thrombosis
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
B Quantitative comparison of the efficacy of clinical drug treatments for primary progressive multiple sclerosis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2023 PubMed DOI
B Dietary interventions for multiple sclerosis-related outcomes
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
B Interventions for infantile seborrhoeic dermatitis (including cradle cap)
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
B Effect of varicocelectomy on sperm deoxyribonucleic acid fragmentation rates in infertile men with clinical varicocele: a systematic review and meta-analysis
Meta Analysis Fertility and sterility 2021 PubMed DOI
B Effect of feeding biotin on milk production and hoof health in lactating dairy cows: a quantitative assessment
Meta Analysis Journal of dairy science 2011 PubMed DOI
B Factitious Graves' Disease Due to Biotin Immunoassay Interference-A Case and Review of the Literature
Systematic Review The Journal of clinical endocrinology and metabolism 2016 PubMed DOI
B Effect of biotin on milk performance of dairy cattle: a meta-analysis
Meta Analysis Journal of dairy science 2011 PubMed DOI
B PROVIT: Supplementary Probiotic Treatment and Vitamin B7 in Depression-A Randomized Controlled Trial
Rct Nutrients 2020 PubMed DOI
B High-dose biotin for multiple sclerosis: A systematic review and meta-analyses of randomized controlled trials
Meta Analysis Multiple sclerosis and related disorders 2021 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.