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iHerb Customer Reviews

$21.66

$33.99

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Customer Ratings

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L-Tryptophan Powder

Posted by Reviewer2811084 on Feb 21, 2016

love this product and it works.

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Horrible Taste

Posted by 4677091529337824012 on Nov 19, 2014

This stuff tastes horrible!! However it does seem to work - one dose at night for sleep and moods.

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1 person found the following review helpful

tastes horrible!

Posted by 5536595171908109527 on Mar 27, 2014

Doesnt mix well and tastes awful. Much better to take pills

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1 person found the following review helpful

good

Posted by Reviewer2065993 on Dec 13, 2013

nice

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really helpful

Posted by Reviewer3325005 on Jul 05, 2011

this has been great in helping relax my mind and get to sleep...this is my second purchase and like having a supply on hand

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should be good stuff

Posted by lisofby on Jun 09, 2011

this should work very well.

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works with melatonin

Posted by Reviewer1349224 on May 19, 2010

works well with melatonin/but if you want to try this buy the capsule form as it has a bad taste to it,

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8 people found the following review helpful

Works wonders!

Posted by Reviewer1261812 on Mar 16, 2010

Be careful though. There are side effects like muscle pain.

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5 people found the following review helpful

Good product

Posted by Reviewer3337314 on Dec 21, 2009

Product met my expectations but tryptophan is still pricey.

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1 person found the following review helpful

Best I have found

Posted by Reviewer2291590 on Nov 05, 2009

At 47 I have problems getting to sleep, but a 1/4 teaspoon of this product with an 1/8 teaspoon of Vit C an hour before going to sleep (on an empty stomach)does the trick.

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5 people found the following review helpful

Items 1-10 of 27 total

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