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Natural Factors, Silica, 500 mg, 90 Veggie Caps (Discontinued Item)


Out of Stock - Discontinued
  • Shipping Weight: 0.3 lbs (0.14 kg)
  • Product Code: NFS-04190
  • UPC Code: 068958041902
  • Package Quantity: 90 Veggie Caps
  • Dimensions: 2.4 x 2.4 x 4.4 in, 0.25 lbs (0.11 kg)
Product Overview


  • Dietary Supplement
  • Standardized Potency
  • From Horsetail Extract
  • Nutritional Support for Hair, Skin, and Nails

Natural Factors concentrated Silica extract is derived from an aqueous solution of Horsetail. Horsetail extract contains many important elements found throughout the human body. Abundant in Silica, Horsetail is an organic source of this essential mineral that supports hair, skin, connective tissue and nails.

All Natural Factors products are manufactured in accordance with the Government of Canada's Good Manufacturing Practices (GMP), among the highest standards in the world.

Suggested Use

Take 1 capsule, 2 times per day or as directed by a health professional.

Other Ingredients

Vegetarian capsule (modified cellulose, purified water, silicone dioxide), rice flour, magnesium stearate (vegetable grade).

Contains no artificial preservatives, color or sweeteners; no corn, soy, starch, wheat or yeast.


Keep out of reach of children.

Sealed for your protection. Do not use if seal on cap is broken. For freshness store in a cool, dry place.

Supplement Facts
Serving Size  1 Capsule
  Amount Per Serving % Daily Value
Spring Horsetail, powdered aqueous extract 500 mg **
Silica (2%) 10 mg **
** Daily Value not established.
iHerb Customer Reviews

Natural Factors, Silica, 500

Posted by Reviewer2199918 on Sep 22, 2012

I know my nails are much stronger so it's working. I started taking it for joint pain and this in also better.

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Posted by Giordie on Feb 23, 2012

Have not noticed any difference to my fine hair, perhaps it will take a lot longer for results of thicker hair.

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Posted by Reviewer3213283 on Apr 20, 2011

Works a treat - my skin has never looked better!

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Good brand of Silica!

Posted by Reviewer2057538 on Aug 06, 2009

Noticed a difference in a short period of time. I have had less hair loss and my nails look much healthier.

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Posted by Reviewer2090334 on Jul 19, 2008

I am very pleased with this product. I am faithful in taking this products and as a result, my husband and friends can definitely can see the results, especially when it comes to my hair.

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