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iHerb Customer Reviews



Savings of: $14.51 (36% off)

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really notice a difference

Posted by Reviewer1505641 on Feb 15, 2008

just take 2 @ bedtime,sleep like a baby...also way better head-space,my daughter who has chronic insomnia tried some,worked well for her,she has ordered her own.great product!

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Posted by Reviewer1564169 on Jan 27, 2010

I have a hard time getting to sleep and this seems to work really well, I just drift off. There is not groggy feeling when I wake up.

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Restless Spirit

Posted by Reviewer2853430 on Jul 20, 2010

Tryptophan is a great natural alternative for insomnia. You might want to use it together with GABA to slow your brain wave frequencies down at night

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not bad

Posted by Clarissa on Dec 30, 2011

Didn't help me get to sleep but certainly improved my mood the next day!

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Muito bom para o sono!

Posted by BrasilCliqueAqui on Nov 25, 2013

. Helps me to relax and fall asleep. Use it with empty stomach and with no protein or other amino acids. . Ajuda a relaxar e a pegar no sono. Tomar com estômago vazio e sem outras proteinas e outros aminoacidos pois pode comprometer a eficácia do produto.

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I satisfied with the product

Posted by Reviewer2302206 on Aug 20, 2016

This product helps me to sleep more deeply and i wake up feeling more alert than before. But, some times it seems that it does not help. I do not know reason but maybe i take tryptophan too quick after meal. Or maybe something else :-) I will continue to use this product.

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Good Product

Posted by Reviewer3203853 on Apr 07, 2012

However, I found it cheaper at other sites, so I will be buying it there in the future

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Posted by Reviewer2402326 on Dec 19, 2010

I use it together with Enzymatic Therapy, Revitalizing Sleep Formula. Together they work well. I take one of each. It is not a knock out pill, but subtle. It will help you relax, so that you fall asleep more easy.

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Posted by Reviewer2592113 on Dec 20, 2011

It works!!

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excellent product

Posted by Reviewer2817074 on Jun 06, 2010

Good and the best price if you want capsules

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