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21st Century, Niacinamide, 500 mg, 110 Tablets

$3.74 $3.74 (Saved $1.25)

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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: May 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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Frequently Purchased Together
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

Delivered exactly what was descibed

Posted by iHerb Customer on January 30 2018 | Verified Purchase

Was able to change to this product without any problems. Easy to digest and very cost effective.

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Posted by iHerb Customer on January 17 2018 | Verified Purchase

Duża dawka i tabletka , dzielę na 4 porcje dzienne aby nie spadał poziom witaminy w organiźmie. Nie powoduje efektu zaczerwienienia. Ekonomiczna polecam.

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Very good!

Posted by iHerb Customer on December 18 2017 | Verified Purchase

Muito bom! exceeded my expectations!

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better choice Now Foods, Niacinamide, 500mg, 100 Capsules

Posted by Hungarian on December 10 2017 | Verified Purchase

This niacinamide would be the best price/value, but unfortunately 160 mg / tab contains calcium

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All good

Posted by iHerb Customer on November 16 2017 | Verified Purchase

I have found these have helped me with my sleep balance.

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