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iHerb Customer Reviews



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too low potency for me

Posted by Reviewer2518947 on Dec 08, 2010

I took 5000mg for months and my levels are still super low. I had to switch to drops from my ND. Not sure this is very absorbable at least for me. I was taking 5000 and mistakenly got the 1000. I'm having my kids take this.

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