Customer Reviews

Source Naturals, L-Tryptophan, 500 mg, 60 Tablets

$11.19
$19.98
Savings of: $8.79 (44% Off)
3.9 out of 5 based on 17 reviews
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Items 11-15 of 15 total

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great

Posted by Reviewer3070429 From Kentucky on Feb 13, 2009

Purchased at iHerb

this is great for a good nights sleep . and talk about super fast shipping..wow...I will never order from anyone else...

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Bought this to help me sleep.

Posted by Reviewer1321333 From Great Britain on Aug 26, 2009

Purchased at iHerb

Seems to be doing the job - but can't attribute the success 100% to this as I also bought some Melatonin, which is definitely working spectacularly to help me get to sleep AND make it a good night's sleep (not my usual restless, still tired when I wake up kind)

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Not good...

Posted by Reviewer2278575 From New York on Feb 21, 2011

Purchased at iHerb

This is not good at all for me ,i've taken 3 tablets before bed and nothing happened , etc.

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not sure

Posted by Reviewer3256810 From Texas on Mar 04, 2011

Purchased at iHerb

I'm not sure yet if Tryptophan is better or 5-HTP. Supposedly, 5 HTP is better.

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Used this for 4 days and now I possibly have myalgia

Posted by 5208602616016868114 on Jun 24, 2013

Purchased at iHerb

Took 1000mg before bed for 4 days and experienced severe muscular pain after about 3 days, I stopped using Tryptophan right away. Now, 10 days later and the pain persists and is continuing to get worse. Do intensive research before taking this supplement.

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