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Natural Factors Biotin 10,000 mcg

Biotin 10,000 mcg

85A-
Grade A- · capsule · 60 servings · $14.95
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Scored by the Formulate Research Team · Last reviewed July 2026

Score Breakdown

Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.

Evidence Qualityweight 40%
79/ 100
Dose Adequacyweight 35%
95/ 100
Form/Bioavailabilityweight 25%
90/ 100
Transparencyweight 0%
90/ 100
Safety/Redundancyweight 0%
100/ 100
Manufacturing Qualityweight 0%
80/ 100

Ingredients per Serving

Certifications & Testing

VeganVegetarianGluten-FreeDairy-FreeSugar-Free

Other Ingredients

Microcrystalline Cellulose, Vegetarian Capsule, Magnesium Stearate

Recommended Use

Suggested Usage: 1 capsule per day or as directed by a health professional.

Warnings

Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery. Keep out of the reach of children. Sealed for your protection. Do not use if seal is broken.

Frequently Asked Questions

What is Natural Factors Biotin 10,000 mcg's Formulate score?

Natural Factors Biotin 10,000 mcg scores 85 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.

Is Natural Factors Biotin 10,000 mcg worth it?

Natural Factors Biotin 10,000 mcg scores 85/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.

What's in Natural Factors Biotin 10,000 mcg?

Each serving contains Biotin (10000 mcg). Serving size: 1 Capsule(s). 60 servings per container.

How do I take biotin 10,000 mcg?

Suggested Usage: 1 capsule per day or as directed by a health professional.

Who makes Biotin 10,000 mcg?

Biotin 10,000 mcg is made by Natural Factors. See Formulate's full grade and product lineup for Natural Factors on its brand page.

Is Natural Factors Biotin 10,000 mcg third-party tested?

Natural Factors lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free, Sugar-Free.

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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.