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iHerb Customer Reviews



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  • Due to Japanese Custom’s regulations, a maximum of one bottle per order can be imported.

  • Reviews | English
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    Excellent Product & Price

    Posted by Reviewer3079478 on May 30, 2010

    I use this product for severe depression. Research has doses up to 800 mg/day and used with St. John's Wort, and that is the level I have had to go to for maintaining stability. HOWEVER most of the research uses much lower doses, 100 mg to 300 mg/day, so make sure to clearly understand what has been tested and begin at small doses to see it it is enough and only increase incrementally very slowly over time to find your point of mental/emotional balance. I will be receiving psych treatment (Cognitive Behavioral Therapy [CBT]-the most effective treatment for severe depression, and believe that I will be able to lower the dosage over time with better cognitive tools to deal with the depression and stresses from pain and ill health. Until this product is necessary for my continued chance at survival and is the best dosage, quantity, and price, I have found.

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    Posted by Reviewer1453432 on Mar 25, 2011

    St. Johns Wort didn't help. Nether did, L-Theanine, GABA or Valerian. One 5-HTP in the am and one before dinner has been a blessing for me. Interstingly, one of pups grew into a rather sensitive dog. By age two she had become rather timid. I began placing one 5-HTP into her food nightly and the improvement was dramatic. I consider 5-HTP a staple!

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    Got to Canada in 2 weeks

    Posted by Reviewer1300695 on Apr 06, 2009

    This is a very effective product, helps with relaxation and mood. iHerb's prices and delivery costs can't be beat. I feel pretty good thanks to Healthy Origins, Natural 5-HTP and iHerb! I find it helps quiet the mind for a good night's sleep (pretty vivid dreams are nice too). I like that i can take it for a few nights and then stop for a few more with no withdrawl.

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    Good night!!

    Posted by Reviewer2006943 on Sep 03, 2009

    this product has helped my sleeping pattern without feeling drowsy the next morning.

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    great value

    Posted by Reviewer1864546 on Sep 30, 2008

    Works as well as more expensive brands.

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    Sleep enhancer!!

    Posted by Reviewer3129672 on Jun 21, 2009

    I'm using it with melatonin as an anti-aging supplement.It also improves my sleeping quality.No more night wakings!!

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    Very effective

    Posted by Reviewer3036029 on Nov 29, 2012

    works really well in calming my anxious personality, I take it in the morning and GABA in the evening just before going to bed

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    natural anti-depressant

    Posted by KentuckyWildcat on May 21, 2014

    5-HTP is the precursor to serotonin, the feel-good neurotransmitter. Depression is usually treated with SSRI drugs which basically just recycle what little serotonin you already have (they prevent the breakdown or metabolism of it). By feeding your body 5-HTP you are giving it the raw material needed to produce serotonin on its own. More raw material = more serotonin = happy and calm. Dr. Murray ND has written extensively on 5-THP and uses it to wean his patients off SSRI drugs. Dosages of up to 900 mg/day can be used. Other supporting components include magnesium, B vitamins (especially B6/P-5-P) and vitamin C.

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    Very good product and price.

    Posted by 5375783669111175622 on Jun 21, 2015

    I take this for my moods. Definitely uplifting. Follow instructions and do not use more than suggested. I found it made me (overly) drowsy if I was feeling tired.

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    Posted by bonbon on Nov 04, 2013

    it got rid of my gloomy feelings, but it gave me stomachache.

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