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iHerb Customer Reviews
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1-7 of 7 total
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Helps me sleep, its my nightly ritual

Posted by 4849979974360943525 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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Not Working For Me

Posted by 5208295130316755586 on Jul 01, 2014 | Verified Purchase

Been taking this for over 2 weeks now. I didn't feel any different and my sleep did not improve at all even with 6mg of melatonin. Testo booster doesn't work either. Instead, take Muscle Pharm Amino 1 for better recovery results.

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It works

Posted by 5116882076057352289 on Jan 03, 2017 | Verified Purchase

Excellent product. I see the effect very quick

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Great product

Posted by 5691313993819772904 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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Great way to end the day

Posted by 5688776491246638792 on May 11, 2014 | Verified Purchase

Good product with multiple benefits

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Does what it says :)

Posted by 5102815006791168256 on Jun 11, 2014 | Verified Purchase

I was shopping around for a testosterone product suitable for female consumption and z-core did not disappoint! Sidenote: I do have hypothyroidism but so far no side effects, also i did notice faster muscle definitions and yes I do sleep a little better. Might not work for everyone but it sure does work for me.

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Good

Posted by 5439449104604794678 on Oct 17, 2016 | Verified Purchase

Good

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1-7 of 7 total