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ProHealth > Store Home > Salicylate Free > 5-HTP (5-Hydroxy L-Tryptophan)

5-HTP (5-Hydroxy L-Tryptophan) by ProHealth - 50 mg, 60 small capsules

#P234 - Appetite Suppression and Sleep Aid - By ProHealth
$14.49 $16.95 SRP
You Save: $2.46 (15% Off)
SmartSavings Club   What's this?Free SmartSavings Auto Ship membership includes:
  • Better prices - up to 40% off regular pricing

  • Lower shipping cost - just $2.99! (Save $3 on each order)

  • Convenient Auto Ship the nutrients you need, shipped automatically on the schedule of your choice
Product Rating of 3.835 stars  
95 ratings
13 reviews  |  Write a Review
Order by 1pm PST M-F for same day shipping!
Product qualifies for $5.99 flat rate U.S. shipping.

Increase Serotonin Levels Naturally*

  • Building blocks for serotonin mood support*
  • Promotes healthy nerve and brain function*
  • Nutritional support for healthy sleep patterns*
Also Available:
200 mg, 60 medium capsules

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You Help Make it Possible
As a crucial part of our mission, a portion of each purchase you make goes toward this fundraising effort. This is such a high priority that in some years our donations outpaced our profits. Thank you for helping support our efforts.
5-HTP (5-Hydroxy L-Tryptophan) promotes the body's healthy production of serotonin, an important substance that supports normal nerve and brain function. Serotonin appears to help maintain balanced sleep patterns, moods, and the inflammation response system.

The human body manufactures 5-HTP from L-tryptophan, a natural amino acid found in many dietary proteins. Supplemental 5-HTP is naturally derived from the seeds of the Griffonia simplicifolia, a West African plant.

5-HTP supports the production of serotonin to help maintain healthy nerve and brain function. Serotonin is found in the brain and central nervous system, and supports balanced mood, behavior and sleep patterns.

Natural Support for Maintaining Healthy Serotonin Levels
Safe nutritional support for maintaining serotonin levels is available with 5-HTP. Serotonin is synthesized in a two-step process where L-tryptophan is converted to 5-HTP, which is then converted to serotonin. 5-HTP works by supporting healthy levels of serotonin in the brain. By enhancing the supply of serotonin, 5-HTP helps to nutritionally support healthy central nervous system function such as sleep, appetite and mood patterns.

Since the early 1970's Italian researcher Federigo Sicuteri, M.D., at the University of Florence has researched serotonin and the use of 5-HTP. In a double-blind study, 50 patients were divided into two groups. The group that received 5-HTP (100mg a day) showed significant improvements, while the placebo group experienced virtually no improvement. The improvements were felt within a short time period, and increased further after 30 days of use. In a second study by the same group of researchers, patients who took 100mg of 5-HTP three times daily reported positive results after 30 days and throughout the length of the 90 day trial.

Source: J Int Med Res, 1990;18:201-9

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary.

Write a Review

Product Rating of 5.0 stars
Sleep well.

Product Rating of 5.0 stars
Helps with sleep.

Product Rating of 5.0 stars
It helped me sleep.

Product Rating of 5.0 stars
This works very well for sleep, but I have to adjust the dosages from time to time.

Product Rating of 5.0 stars
Great for sleep

Product Rating of 5.0 stars
I noticed immediately that I fell asleep very quickly upon taking this product. I also noticed that if I drank any alcohol with my meal (usually it's 1 x glass wine) it rendered the HTP useless, I would wake frequently lying awake for long periods. Overall, very happy. ...[read entire review]

Product Rating of 5.0 stars
I used to use diphenhydramine (antihistimine) to help me sleep, which caused dry mouth and depression. This is SO much better and leaves me just feeling so much healthier.

Product Rating of 5.0 stars
Great for helping me get to the deep sleep I need to reduce the next days pain level.

Product Rating of 5.0 stars
I first researched this product to help with mild depression. My doctor was going to write a prescription for an anti-depressent when I asked him to describe what was going on. I then came across 5-HTP when reading the description of how 5-HTP worked it was going to do ...[read entire review]

Product Rating of 5.0 stars
Very calming.

Product Rating of 5.0 stars
Has transformed my sleep. I sleep deeply and stay asleep for most of the night (if not all). I used to toss and turn, have problems falling asleep and staying asleep. this product works great!

Product Rating of 5.0 stars
This is the best stuff on the market. I love it.

Product Rating of 1.5 stars
I took 100Mg at bedtime for a sleep maintenance problem. I fell asleep quickly but always awakened within a few hours. Other brands worked similarly so it is my quirky sleep and not your brand. 5 HTP just doesn't work for me and neither does Melatonin of any brand.


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These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary.