Your Cart is Empty
But it doesn't have to be.
Continue Shopping.
Added to Cart
Cart Total:
Customers Also Bought:

Life Extension, Dual - C, 90 Capsules (Discontinued Item)


Out of Stock - Discontinued
  • Shipping Weight: 0.3 lbs
  • Product Code: LEX-24009
  • UPC Code: 737870240099
  • Package Quantity: 90 Capsules
  • Dimensions: 2.2 x 2.2 x 4.1 in, 0.25 lbs
Product Overview


  • The Complete Vitamin C Product
  • Our Special Formulation of Water and Fat Soluble Vitamin C
  • Dietary Supplement

Dual-C-600 is a vitamin C formula designed by Life Extension scientists Durk Pearson & Sandy Shaw for their own daily use. Dual-C-600 is a scientifically formulated combination of water soluble vitamin C (calcium ascorbate, a non-acidic form of vitamin C) and fat soluble vitamin C (ascorbyl palmitate). Ascorbyl palmitate is a naturally occurring antioxidant synergist. Take Dual-C-600 when you want to get both water soluble and fat soluble vitamin C.

Suggested Use

For adults only. Take one (1) capsule with each meal as a dietary supplement.

Other Ingredients


Contains corn.

This product contains NO milk, egg, fish, peanuts, crustacean shellfish (lobster, crab, shrimp), soybeans, tree nuts, wheat, yeast, gluten, or rice. Contains NO sugar, and no artificial sweeteners, flavors, colors, or preservatives.


Caution: Taking large doses of vitamin C (several grams or more) all at once, especially on an empty stomach, can cause gastric upset and diarrhea. This product contains 1827 mg (1.8 g) of vitamin C in the recommended dose of 3 capsules per day. Persons with the genetic disorder G6PD deficiency should not use such large doses of vitamin C unless directed by a physician.

  • Keep out of reach of children.
  • Do not exceed recommended dose.
  • Do not purchase if outer seal is broken or damaged.
  • When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

Store tightly closed in a cool, dry place.

Safety sealed for your protection. Return for replacement if outer seal is broken.

Dual-C-600 is a nutrient supplement. Not to be used in the treatment of disease or medical condition.

Supplement Facts
Serving Size 1 Capsules
  Amount Per Serving % Daily Value
Vitamin C (as calcium ascorbate and ascorbyl palmitate) 609 mg 1015%
Calcium (as calcium ascorbate) 68 mg 6%
iHerb Customer Reviews

Dual - C

Posted by Reviewer2427281 on Jul 17, 2012

OK if you are not allergic to corn. I prefer the powderd form that has no added ingredients.

Verified Purchase

Was this review helpful to you?

Life Extension, Dual - C

Posted by Reviewer1898633 on Mar 15, 2012

not stomach problem.very good.

Verified Purchase

Was this review helpful to you?

Good for the stomach !

Posted by Reviewer1171802 on Feb 16, 2012

Vitamine c is very important. Very good product.

Verified Purchase

Was this review helpful to you?

feel healthier

Posted by Reviewer2978913 on Feb 01, 2012

very happy in my mind

Verified Purchase

Was this review helpful to you?

Great product

Posted by Reviewer2427927 on Jan 23, 2011

I have been using Derk and Sandy's products for years. Their Dual-C is easy to digest, gives me energy, and adds to my good health. I highly recommend Dual-C (LEX-24009)

Verified Purchase

Was this review helpful to you?