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iHerb Customer Reviews



Savings of: $22.04 (65% off)

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Consult doctor before to use it

Posted by 5418493925206750115 on Feb 01, 2013

My mother had got pain in heart after one time use ot this product. Be careful

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No results

Posted by Reviewer1033729 on Aug 30, 2012

I took this suplement for one week and I had headaches two hours after. When I stopped, I felt better. No results for me.

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CoQ10 with side effect

Posted by 5087148742371355707 on Sep 10, 2012

I took about one month and finally decide to quit. It gave me stomach pain and soft diarrhea. My stomach pain didn't go a way until I quit. Not for me.

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Posted by 5435030093168394235 on Nov 20, 2012

Capsules with powder not bind the body in a large part of the people. Therefore it is better to use Soft Gel. I'm using a special type called Ubiquinol

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BioPerine Might not be good

Posted by 5611675280942892361 on Jan 15, 2016

A doctor said to be careful to avoid “bioperine” which is a black pepper extract. Not only does black pepper have a lot of aflatoxins but it also “raises bio-availability” which means it shuts down liver function.

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Stomach problems...

Posted by Reviewer2896039 on May 24, 2013

I took it only for 2 weeks. I tried it with drink of with food and the results were the same. I had problems with my stomach. Just not for me...

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Posted by Reviewer3320645 on May 18, 2015

Something about this product made me break out in large pustules (like boils) on my torso. I had to buy some anti-itch cream just to sleep. It was terrible. Also, I was taking the COQ10 for a sensitive tooth. This has helped me in the past with other COQ10 products, but not this brand. My tooth eventually got almost to the abscess stage, so I wonder if the Doctor's Best COQ10 actually has any COQ10 in it. (The tooth calmed down as soon as I started taking another brand.) Review from 2011. I used it again in 2015 and I haven't had any trouble with the boils, so it must be OK now. And it did help my sensitive tooth to feel better.

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Contains Magnesium stearate :-/

Posted by 4909325816561873787 on Feb 23, 2013

This seems like a really good product, but contains magnesium stearate so I will not buy again. Have to get better at checking the products before buying. Bummer!

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Doctor's Worst

Posted by Reviewer3152571 on Mar 06, 2011

Gooday,Doctor's Best High Absorption CoQ10 I have taken 3 times and it has made me sick to my stomach each time. I made sure that I took it just after eating. Something is wrong with this product.Rob

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I can't use

Posted by Reviewer1805007 on Oct 05, 2008

I cannot use this product as the pepper in it seems to bother me

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