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iHerb Customer Reviews

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Only Vitamin C + menadione product on the market

Posted by iHerb Customer on Dec 08, 2011 | Verified Purchase

This looks like a very promising combination for various forms of cancer, however the fact that the vitamin C is in the form of ascorbic acid limits the amount that many will be able to tolerate. A buffered form of vitamin C would be better.

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Good product

Posted by iHerb Customer on Apr 26, 2011 | Verified Purchase

ProStay made a clear improvement in my condition. I was about to run out of products to try,as some have lost their effectiveness over time.

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Excellent Product

Posted by iHerb Customer on Dec 08, 2016 | Verified Purchase

Strongly recommended by my oncologist. This is not your average off the shelf product.

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Great help for the prostate

Posted by iHerb Customer on Oct 03, 2013 | Verified Purchase

I have used this now for a couple of years with good results

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great seller

Posted by iHerb Customer on Aug 01, 2010 | Verified Purchase

great product, exactly what I want fast sheeping will be my next choice if I need to

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Supplement order

Posted by iHerb Customer on Jan 12, 2009 | Verified Purchase

Website and service was excellent. This is the way supplement orders should all be.

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