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5-Hydroxytryptophan or 5-HTP is a precursor to the neurotransmitter serotonin and an intermediate in tryptophan metabolism. It is marketed in the United States and other countries as a dietary supplement for use as an antidepressant, appetite suppressant, and sleep aid. more at Wikipedia

Treatment Success Rate

Top 5 Communities
Condition Members Success
Bipolar Disorder
Panic Attacks
Overall, 67% (528 Members) find 5-HTP helpful

5-HTP Reviews

Show: for
Working / Worked
helpful short term..can be harmful if a person has too much serotonin
Working / Worked
The 5-HTP seems to help somewhat but I have only been taking it for about a week. Hopefully I will feel greater affects in time.
Working / Worked
Working / Worked
worksfor night time sleeping
Working / Worked
I've been using for six weeks and do seem to have more energy using it.
Working / Worked
Sometimes it works to help me sleep better.
Working / Worked
500 mg at bedtime, VERY helpful
Working / Worked
Helps with my mood
Working / Worked
I can't afford it, but it did seem to help. Was part of a complete regimene a friend created for me. I am going to try to get some again. No SE's.
Working / Worked
Saved me from a whole lot of pain
Showing 1 - 10 of 576 Reviews
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  1. Discussion: 5-HTP
    I took it for about 6 months. Never noticed any improvement, but wanted to give it a real chance to work. I stopped taking it and never noticed anyt... [More]
  2. Discussion: 5-HTP
    5-HTP is an amino acid. For some reason all amino acids cause me terrible pain throughout my body. I don't understand since some of these occur natu... [More]
  3. Discussion: 5-HTP
    Cocoa is correct about taking SSRI antidepressants with this. You definitely don't want to chance Serotonin Syndrome. I do take a very low dose of Sav... [More]
  4. Discussion: 5-HTP
    I'm glad it's helping you. I have been taking 5htp for 5 weeks now. My doctor prescribed it along with several other products to help rebuild my sero... [More]
  5. Discussion: 5-HTP
    I started taking 5-HTP about A month ago and I'm bending easier.I work as A cashier and I can now bend and get stuff from under the counter.I was not ... [More]