can't tell if I can see an effect
Posted by Reviewer2635763 on Aug 21, 2014
I bought this after reading about the rave reviews on iherb. Unlike the other supplements I've purchased, I can't say that I've noticed a significant change in my ability to focus. That said, natural supplements are just like pharmaceutical products in that we all metabolize the active ingredients differently. I could just be a non-responder.
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