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iHerb Customer Reviews

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1-8 of 8 total
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for anxiety and depression

Posted by Reviewer2456696 on Jan 17, 2014 | Verified Purchase

I recommend niacinamide to my patients for anxiety and depression, it works, Dr Abram Hoffer found mid last century the power of Vit B3 in mental health. Need 1000 mg to 4000 mg daily in divided doses.

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Great

Posted by 4874602919484022516 on Dec 16, 2014 | Verified Purchase

Metabolism and energy is increased.

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Nature's plus niacinamide

Posted by Reviewer2780558 on Mar 20, 2011 | Verified Purchase

The product exceeds my expections good product

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effective dose

Posted by 5166007970615479765 on Jan 20, 2015 | Verified Purchase

effective valuable benefits my patients can take 3000 to 6000 mg daily

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Exactly what I need.

Posted by 5561429496858311858 on Mar 18, 2017 | Verified Purchase

Good price and good product.

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Timed release niacinamide

Posted by Reviewer3301222 on Dec 08, 2013 | Verified Purchase

This is a good brand, and I think these have worked well. However, I didn't notice when I ordered that these are timed-release, and for my purpose, I will go back and look for 1000 mg option that is not.

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Not worth a cent

Posted by 5749025430351634526 on Apr 13, 2017 | Verified Purchase

Leaves digestive system in unchanged form. No reply from manufacturer about it.

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disgusting black mold on one pill

Posted by 5373404362576168812 on Nov 30, 2016 | Verified Purchase

poor quality control

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1-8 of 8 total