Your Cart is Empty
But it doesn't have to be.
Continue Shopping.
Added to Cart
Combo Discount:
View/Edit Cart Checkout
Cart Total:
Customers Also Bought:

Natural Factors, BioSil, ch-OSA Advanced Collagen Generator, 1 fl oz (30 ml)

By Natural Factors

Our Price:
You Save:
$6.40 (20)
  • Volume Discount
  • Buy 4+
    Save 5%
Earn 10% Loyalty Credit ?

This product is already in your Wish List.

View Wish List

This product is now in your Wish List.

In Stock
  • Product Code: NFS-39184
  • UPC Code: 5425010391842
  • Package Quantity: 1 fl oz (30 ml)
  • Dimensions: 5.7 x 2.3 x 1.4 in, 0.15 lbs (0.07 kg)
Bundle Offer
Save $2.00 when you purchase these items today for only $29.54


Combo Discount:



- $2.00


Product Overview

  • Beauty · Bones · Joints
  • Reduces Fine Lines and Wrinkles
  • Thickens and Strengthens Hair
  • Strengthens Nails
  • Promotes Strong and Flexible Bones
  • Promotes Healthy Joints
  • Original ch-OSA Formula
  • Clinically Tested
  • Dietary Supplement
  • Vegetarian

The Breakthrough in Collagen!

Collagen is essential for beautiful skin, hair and nails as well as healthy bones and joints. But starting at age 21, collagen diminishes 1% per year. By age 30, the signs become visible. For years, scientists searched for a method to give the human body the ability to regenerate its own collagen. But it took BioSil's landmark discovery of ch-OSA to make it a reality. Its capacity to generate collagen with your own DNA fingerprint makes ch-OSA the genuine breakthrough in collagen.

Clinical Facts
Choline-Stabilized Orthosilicic Acid (ch-OSA)
  Clinically Proven Dosage
Clinically Proven for Skin 5 drops, 2 times daily
Clinically Proven for Hair 5 drops, 2 times daily
Clinically Proven for Nails 5 drops, 2 times daily
Clinically Proven for Bones 6 drops, 1 time daily
ch-OSA has been tested in rigorous double-blind placebo controlled clinical trials for both efficacy and safety.

The results are published in peer reviewed medical journals (see insert for details).

Suggested Use


For Skin, Hair, Nails and Joints: Take 5 drops, 2 times per day. Mix in with a 1/4 cup of liquid (preferably juice) and drink immediately.
For Bones: Take 6 drops, 1 time per day. Mix in with a 1/4 cup of liquid (preferably juice) and drink immediately.

Other Ingredients

Glycerol, purified water.

This product does not contain soy, dairy, egg, corn, wheat, gluten, fish/shellfish, nuts/tree nuts.


Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.

Keep out of the reach of children. Store at 59-86°F (15-30°C). Protect from light and moisture.

Visit Manufacturer's Website
Supplement Facts
Serving Size: 5 drops (about 0.25 ml)
Servings Per Container: about 120
  Amount Per Serving %DV
Silicon (as Choline-Stabilized Orthosilicic Acid (ch-OSA) 5 mg *
Choline (as ch-OSA) 100 mg *
*Daily Value (DV) not established

iHerb Customer Reviews

5 Stars
4 Stars
3 Stars
2 Stars
1 Stars


Posted by 4707580905593570236 on May 27, 2016

Did not work for me at all. :(

Was this review helpful to you?

works slowly

Posted by 5575585819884361640 on May 15, 2016

I don't know about wrinkles yet. but noticing improvement on joints pain

Was this review helpful to you?

A good product

Posted by 5628932932189685239 on May 09, 2016

I pleased with this product too. It improved the condition of my nails and hair. yona S.

Was this review helpful to you?

I believe it is a good supplement. Take it each day, twice a day and don't expect quick results

Posted by 5290468358627155245 on Apr 18, 2016

1 bottle and I have'nt noticed any good effect on my skin, hair or nails. Actually, my nails became much weaker! But to be honest, I forgot and sometimes did not take the supplement twice a day, and even skipped days. So I won't blame the product, anyway it should take a longer time to see results ( I don't believe you'll see miracles after 1 mounth of use as other reviewers wrote). I still believe choline and silica are good for my body and will reorder and continue taking this supplement, this time without cheating:) About the taste - it is not as horrible as some stated. I simply put it in some water and the taste is really ok. If you'll put it in juice or tea you'ii won't tase anything at all.

Was this review helpful to you?

not sure yet...

Posted by 4646376547000086244 on Apr 08, 2016

probably won't buy again...

Was this review helpful to you?

See All Reviews