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21st Century, Niacinamide, 500 mg, 110 Tablets

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21st Century, Niacinamide, 500 mg, 110 Tablets

In Stock
  • Expiration Date: Feb 2020
  • Shipping Weight:
    0.41 lbs
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  • Product Code: CEN-22550
  • UPC Code: 740985225509
  • Package Quantity: 110 Tablets
  • Dimensions:
    1.8 x 2.4 x 3.7 in, 0.35 lbs
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Product Overview


  • 10% Free
  • Dietary Supplement
  • Prolonged Release
  • Helps Convert Food Into Energy And Helps Maintain Skin, Digestive & Nervous Systems
  • 21st Century...For A Healthier Future

Vitamin B3 plays a key role in converting food into energy and helps maintain the normal function of nerves, skin, and the digestive system. Niacinamide is a good source of vitamin B3 without the flushing effect associated with niacin.

Suggested Use

Take one (1) tablet daily with any meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.

Other Ingredients

Cellulose, hydroxypropyl methylcellulose, stearic acid, silicon dioxide, magnesium stearate.

Unconditionally guaranteed for purity, freshness and label potency. No added sugar, salt, yeast, preservatives, artificial flavors or colors.


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
Niacinamide 500 mg 2500%
Calcium (as Calcium Carbonate) 160 mg 16%
Percent Daily Value (DV).
iHerb Customer Reviews

Husband uses for arthritis pain.

Posted by 5298596419934373778 on Jun 30, 2017 | Verified Purchase

My husband has only started using this product but hopes it will aid repair to his damaged arthritic joints.

Thanks for your feedback!


Posted by 5483978437939784125 on Apr 24, 2017 | Verified Purchase

For its price this is great. The pills are a bit hard to swallow. You can always spit though 😊

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Excellent price!

Posted by 4769088946750970344 on Apr 19, 2017 | Verified Purchase

Fast delivery, excellent price!

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The product is good.

Posted by 5130115060011354798 on Feb 18, 2017 | Verified Purchase

The product is good and also cheap.

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Posted by 5581487265689446837 on Jan 27, 2017 | Verified Purchase

great product!!

Thanks for your feedback!