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iHerb Customer Reviews



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for anxiety and depression

Posted by Reviewer2456696 on Jan 17, 2014

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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Posted by 4874602919484022516 on Dec 16, 2014

Metabolism and energy is increased.

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effective dose

Posted by 5166007970615479765 on Jan 20, 2015

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

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Nature's plus niacinamide

Posted by Reviewer2780558 on Mar 20, 2011

The product exceeds my expections good product

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Timed release niacinamide

Posted by Reviewer3301222 on Dec 08, 2013

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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