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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% (566 Members) find 5-HTP helpful

5-HTP Reviews

Show: for
Working / Worked
Worked great to raise serotonin levels to induce sleep. Helped improve sleep disorder.
Working / Worked
Started feeling normal when I started taking 5-htp!
Working / Worked
yes, it seems to be helping
Working / Worked
just started it
Working / Worked
Slept better, began dreaming again, overall improved emotional stability
Working / Worked
Have taken seed to help my mental state 100 mg 3 times daily! Also added St. Johns Wort 300mg pill 3 times daily. No side affects, like the fact their natural and not prescription!
Working / Worked
Helped me. Keep to low dosages - or use a slow release patch.
Working / Worked
helpful short term..can be harmful if a person has too much serotonin
Working / Worked
didn't work
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.
Showing 1 - 10 of 614 Reviews
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  1. Discussion: 5 HTP
    It is VERY important to consult your doctor BEFORE using anything that induces the creation of Serotonin in your system. This is not easily availab... [More]
  2. Discussion: 5 HTP
    Just read this - and am also surprised at how few people mention 5-HTP. If you go on webMD and look at 5-HTP, every person I can find that is using it... [More]
  3. 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]
  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]