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

By 21st Century

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In Stock
  • 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.

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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

5 Stars
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1 Stars

made my hair thicker I swear

Posted by Reviewer3058416 on May 31, 2016

my hair is so thick after taking this for 4 months, my nails are stronger as well. On to my second bottle.

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Healthy Hair Skin and Nails

Posted by 4618342011442944455 on May 03, 2016

I have noticed a huge difference while using this product. My nails are especially stronger and my hair has been growing longer, faster. I've also had less break outs but that may also be related to a change in my diet. Will continue to use!

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Very happy with this product

Posted by 5107647821108170038 on May 02, 2016

I noticed a nice improvement in my nails when I started using this (and could tell when I stopped for a few weeks)

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muy buen precio

Posted by bahobanlawless on Apr 25, 2016

estan muy baratas a comparacion de otras marcas, traen mucho mas pues son 110 capsulas, yo vivo en Mexico y aqui no encuentras mas que algunas marcas de las mas conocidas y solo en 60caps y estan mas 300% su precio, estan superbaratas y realmente recomiendo la marca, tengo meses tomandolas y son muy buenas, las recomiendo

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Uñas más duras

Posted by 4788763509435686335 on Mar 18, 2016

Es utilizarlo y a los pocos días se empiezan a poner las uñas durísimas. Muy buena relación calidad-precio.

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