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Biotin 300 mcg

product on market Tablet or Pill Major 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 the metabolism of fatty acids and amino acids. Research indicates it may benefit individuals with specific deficiencies, though evidence for general hair and nail improvement is limited. This ingredient profile is considered safe for general consumption.

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
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

Microcrystalline Cellulose Stearic Acid Vegetable Magnesium Stearate Croscarmellose Sodium Silicon Dioxide Pharmaceutical Glaze
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: For adults, take one (1) tablet daily, preferably with a meal.

Warnings & Precautions

As a remainder, discuss the supplements and medications you take with your health care providers. Warning: If you are pregnant, nursing or taking any medications, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Tamper resistant: Do not use if seal under cap is broken or missing.

Formulation Notes

Biotin is essential for the intermediate metabolism of carbohydrates, proteins and fats.

Free of: Yeast, wheat, milk or milk derivatives, lactose, sugar, preservatives, soy, artificial color, artificial flavor, sodium (less than 5 mg per serving).

Additional Information

Re-Order No. 700253 M-92 Rev 07/15

Potency guaranteed Supports energy production

Store in a dry place and avoid excessive heat.

Metadata

Product Details

UPC / SKU3 09045 43360 7
DSLD Entry Date2019-05-28
Product TypeVitamin
FormTablet or Pill
BrandMajor
DSLD ID202028
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
View all evidence for Biotin →
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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.