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21st Century, Biotin, Super Potency, 5000 mcg, 110 Capsules

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In Stock
  • Expiration Date: Aug 2019
  • Shipping Weight: 0.3 lbs (0.14 kg)
  • Product Code: CEN-27116
  • UPC Code: 740985271162
  • Package Quantity: 110 Capsules
  • Dimensions: 3.8 x 2.5 x 1.8 in, 0.25 lbs (0.11 kg)
Product Overview


  • 10% Free
  • Vitamin Supplement
  • An Essential B-Complex Vitamin for Normal Metabolism of Carbs, Protein & Fats
  • 21st Century...for a Healthier Future
  • Laboratory Tested - Quality Guaranteed

Biotin is part of the B-complex vitamins. It aids in cell growth and production of fatty acids. It is an essential nutrient for normal metabolism of carbohydrates, proteins and fats.

Suggested Use

Take one (1) capsule daily with any meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.

Other Ingredients

Cellulose, gelatin, stearic acid, magnesium silicate, magnesium stearate.

No added sugar, yeast, preservatives, artificial flavors or colors.


Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken. Store at room temperature.

Supplement Facts
Serving Size: 1 Capsule
  Amount Per Serving % DV
Biotin 5000 mcg 1667%
Calcium (as Dicalcium Phosphate) 113 mg 11%
Percent Daily Value (DV).
iHerb Customer Reviews


Posted by 5324075571704682317 on Jan 04, 2017

I'm purchasing this not the first time. Can't say that I really can see huge difference on my skin but it's easy to take ( 1 pill daily) and somehow my nails grow faster with it.

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for me it works

Posted by Reviewer1934936 on Nov 15, 2016

What can i say, for my thinning hair it really works! But i have a problem of this Biotin, after taking a pill i feel abnormal heart rhythms. I googled the info about it and really it happens because of Biotin with some people...so, stopped taking it. But the result was amazing.

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seems to be working

Posted by 5593605904150784793 on Oct 07, 2016

As a men who takes finasteride, minoxidil, cysteine, methionine, I also need to take 5mg of H vitamin( biotin) every day for my hair. Very cheap and seems reliable.

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Very good

Posted by 4743455811352892974 on Aug 28, 2016

Very good, my nails and hair started to grow very fast and hair stopped falling.

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Posted by 4745696872227248856 on Aug 13, 2016

so far so good; no side effects

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