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iHerb Customer Reviews

$26.57

$37.95

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Ok

Posted by Reviewer2416342 on Oct 24, 2013

Nothing special

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PS Factors

Posted by Reviewer1567354 on Aug 02, 2010

I couldn't take it. I only took about 4 pills all together but it made me too groggy and sleepy and incoherent.

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3 people found the following review helpful

no improvement

Posted by Reviewer2446901 on Dec 04, 2009

no improve in memory

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