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Twinlab, C-1000 Caps, Crystalline Vitamin C, 1000 mg, 250 Capsules

$21.96 $21.96 (Saved $5.49)

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Twinlab, C-1000 Caps, Crystalline Vitamin C, 1000 mg, 250 Capsules

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Twinlab, C-1000 Caps, Crystalline Vitamin C, 1000 mg, 250 Capsules

In Stock
  • Expiration Date: 07/2021
  • Shipping Weight:
    2.18 lbs
    Switch to Metric units
  • Product Code: TWL-00713
  • UPC Code: 027434007139
  • Package Quantity: 250 Capsules
  • Dimensions:
    3.1 x 3.1 x 5.9 in, 1.3 lbs
    Switch to Metric units
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Product Overview


  • Dietary Supplement

TwinLab C-1000 Caps are easier to swallow and assimilate.

One hard gelatin capsule contains 1000 mg of pure crystalline vitamin C.

Suggested Use

As a dietary supplement, one or more capsules daily.

Other Ingredients

Gelatin, purified water, stearic acid.

No tablet binders, coatings or colorings. Free of the most common allergens such as yeast, barley, wheat, lactose (milk sugar) and all milk, citrus, fish and egg products. No added flavorings, sugars, salt, artificial sweeteners, colorings, preservatives or salicylates.


Keep tightly closed in a cool, dry place.

Well tolerated by most highly allergic individuals.

This product is manufactured at our own state of the art facility. Packaged in a glass bottle for maximum stability, quality and freshness.

Supplement Facts
Serving Size: 1 Capsule
  Amount Per Capsule % DV
Vitamin C 1000 mg 1666%
* Percent Daily Values (DV) are based on a 2,000 calorie diet.
iHerb Customer Reviews

Effective. I take 4 grams/ 3 hours when I feel a cold coming on. Gets rid of it fast

Posted by iHerb Customer on Jun 03, 2017 | Verified Purchase

Great product.

Thanks for your feedback!

Very good!

Posted by iHerb Customer on Apr 04, 2015 | Verified Purchase

Very good!

Thanks for your feedback!


Posted by iHerb Customer on Sep 09, 2014 | Verified Purchase

It isn't easy to find natural vitamin C...but now I have! Love it!

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Vit C

Posted by iHerb Customer on Jul 14, 2014 | Verified Purchase

Haven't used it yet.

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love vitamin C- but remember

Posted by iHerb Customer on Nov 13, 2013 | Verified Purchase

to also take copper as vit c depletes copper in your body? For some reason this Vit c I had a lot of problem with. It made me feel irritable and gave me an acid stomach. I prefer Vit c from life extension as it doesn't have the side effects of this one

Thanks for your feedback!