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iHerb Customer Reviews

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1-4 of 4 total
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It works

Posted by iHerb Customer on Jan 03, 2017 | Verified Purchase

Excellent product. I see the effect very quick

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Great product

Posted by iHerb Customer on Feb 20, 2016 | Verified Purchase

This is an amazing product! Guaranteed deep sleep. Brilliant when doing heavy training to help the body rest and recover.

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Helps me sleep, its my nightly ritual

Posted by iHerb Customer on Aug 22, 2015 | Verified Purchase

I've been taking z-core for a year now and its made a big difference to my sleeping pattern without relying on it to sleep. I much prefer it to a regular zma product

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Great way to end the day

Posted by iHerb Customer on May 11, 2014 | Verified Purchase

Good product with multiple benefits

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1-4 of 4 total