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21st Century, C-1000, Prolonged Release, 110 Tablets

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$1.35 (15)
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In Stock
  • Expiration Date: Apr 2019
  • Shipping Weight: 0.53 lbs (0.24 kg)
  • Product Code: CEN-21225
  • UPC Code: 740985212257
  • Package Quantity: 110 Tablets
  • Dimensions: 5.8 x 2.5 x 1.7 in, 0.45 lbs (0.2 kg)
Bundle Offer
Save $4.00 when you purchase these items today for only $11.64
Total: $15.64
Combo Discount: - $4.00
Together: $11.64

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Product Overview


  • Vitamin Supplement
  • 10% Free
  • Helps Neutralize Free Radicals and Supports A Healthy Immune System
  • Guaranteed Quality - Laboratory Tested

Vitamin C is an important antioxidant nutrient that helps neutralize free radicals which may cause cellular damage in the body. Vitamin C also supports a healthy immune system. 21st Century prolonged release Vitamin C-1000 provides long-term vitamin supplementation by slowly releasing nutrients to the body over an extended period of time.

Suggested Use

As a vitamin supplement, take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage. Individual results may vary.

Other Ingredients

Hydroxypropyl methylcellulose, stearic acid, cellulose, calcium carbonate, silicon dioxide, magnesium stearate.

No added sugar, salt, yeast, preservatives, artificial flavors or colors.


Consult a healthcare provider prior to use if: pregnant, nursing, on medications, have a medical condition or are planning a medical procedure. Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken. Store at room temperature.

Supplement Facts
Serving Size: 1 Tablet
  Amount Per Serving % DV
Vitamin C (as Ascorbic Acid) 1000 mg 1667%
Percent Daily Value (DV).
iHerb Customer Reviews

This looks like a fine product.

Posted by 5130115060011354798 on Nov 30, 2016

Vitamins are essential for your health and you get a good deal with these tablets.

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Realmente top

Posted by 4768929380824153154 on Nov 04, 2016

Produto incrível, aumentou minha imunidade e manteve o meu nível de vitamina C em alta por muito tempo. Recomendo!

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Great product

Posted by 5022709309092182312 on Sep 12, 2016

Prolonged release is a plus , so is the dose of 1000 , the price is excellent

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Posted by BeautyWealthLovelyFamily on Sep 09, 2016

Energy all day.

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Posted by 5753287768818936436 on Jun 26, 2016

This is good value for money and it works well. I will continue buying.

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