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iHerb Customer Reviews



Savings of: $8.08 (35% off)

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Customer Ratings

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Gone in 6 Hours

Posted by Reviewer1183204 on May 12, 2008

Studies show no matter how much Vitamin C you take, what you take is gone from your body within 6 hours. Ester C or Calcium Ascorbate is uffered C and is easier on your stomach. Since I take large doses this is perfect. The price was excellent also.

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American Health Ester C

Posted by Reviewer1583487 on Dec 30, 2008

Ester C is an excellent source of vitamin C which is gentle on the digestive system. I think it is easily absorbed and this formula remains "active in the immune system for up to 24 hours." A good protection for the winter months.

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Review of supplement product

Posted by Reviewer1630003 on Aug 31, 2010

This product was found to be of highest quality and proved to be very effective.

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Good value, great product.

Posted by Reviewer1822361 on Sep 16, 2010

The best form of supplement Vitamin C, so far as I'm aware. This one comes in easy-to-swallow tablets. Terrific!

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Posted by Reviewer2290813 on Jul 04, 2010


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Posted by Reviewer1539732 on Jul 19, 2010

Finally a vitamin C that doesn't upset my stomach. I'm happy with it!

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Ester c

Posted by Reviewer2796695 on Feb 19, 2009

Good product, I take it twice daily and it never upsets my stomach

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Always a favortite

Posted by Reviewer3061101 on May 03, 2010

Wish they would provide a simple multyw/ Ester C.

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Good product.

Posted by Reviewer2855605 on Jan 07, 2009

I like the buffered forms of vitamin C like this that are easier on the stomach.

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Seems to be pretty good

Posted by Reviewer2940089 on Feb 19, 2008

I think this vitamin is made in China. This is probably why the price has dropped so much in recent past. However, it does seem well made unlike other vitamins made in China. As there are so few sources now of Ester-C, I am giving it the best rating as it is the best that I have found in today's market.

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Items 1-10 of 35 total

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