Biotin 5,000 mcg Extra Strength Strawberry

Name: Biotin 5,000 mcg Extra Strength Strawberry
Brand: Natrol

tablet150 servings1 Tablet(s)

VegetarianDairy Free

/100fair label

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Supplement Facts

Ingredient	Amount	% DV% Daily Value — how much of the recommended daily intake one serving provides, based on a 2,000 calorie diet. 100% = full daily need. Values over 100% are common for water-soluble vitamins (B, C) and generally safe. Values over 200% are highlighted.
Biotin	5000 mcg	16670%

Other ingredients: Xylitol, Cellulose Gum, Maltodextrin, Crospovidone, modified Food Starch, Malic Acid, Silicon Dioxide, Natural flavor, Stearic Acid, Beet Root Extract, Magnesium Stearate, Citric Acid

Score Breakdown

Dosage TransparencyAre all ingredient amounts explicitly listed on the label? Are %DV values provided where applicable? This measures transparency of dosing, not clinical efficacy.

12/35

Label TransparencyHow complete is the labeling? Checks serving info, dietary certifications, and whether any doses are hidden behind proprietary blends.

25/25

Formulation CleanlinessHow clean are the inactive ingredients? Penalizes artificial colors, sweeteners, titanium dioxide. Rewards vegan, gluten-free, organic.

13/25

Ingredient ProfileFormula composition signals: focused vs comprehensive, use of branded/patented forms (KSM-66, Albion, etc.), explicit dosing.

5/15

This score evaluates label quality — dosage disclosure, transparency, cleanliness of inactive ingredients, and formula composition. It does not measure clinical efficacy, bioavailability, or third-party testing. Read full methodology

Better-scored alternatives

Same category, higher SupplementScore. Based on dosage transparency, label cleanliness, and formula quality.

Sundown NaturalsAdvanced Formula SunVite With Biotin

Puritan's Pride PremiumBiotin 300 mcg

tablet30 servings

83/100+28

Jarrow FormulasAlpha Lipoic Acid 100 mg

tablet60 servings

82/100+27

General Ingredient Research — not an evaluation of this product

The research summaries below are about the ingredients in general, drawn from published studies that often use different doses, forms, and populations than this product. A "strong" evidence rating for an ingredient does not mean this product will produce that effect — studied doses may be significantly higher or lower than what is contained here. Always verify doses against the Supplement Facts table above.

Biotin

weak

Supports hair and nail growth

Limited evidence. May help in cases of biotin deficiency but most people get adequate amounts from diet.

strong

Supports metabolic function

Essential cofactor for carboxylases involved in gluconeogenesis, fatty acid synthesis, and amino acid catabolism.

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All scores are algorithmically generated from publicly available label data (NIH Dietary Supplement Label Database) and reflect label quality — not clinical efficacy, safety, or product quality. This page is not affiliated with or endorsed by Natrol. If you represent this brand and believe any information is inaccurate, please contact us for a correction. Read full methodology