Source Naturals L Tryptophan, 500 mg, Capsules, 120 capsules
Normal Price:$54.98
Our Price:$32.14
Availability:Usually ships in 1-2 business days
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Manufacturer: Source Naturals
Model: SN1985
Binding: Health and Beauty
Publisher: Source Naturals
Label: Source Naturals
Features for Source Naturals L Tryptophan, 500 mg, Capsules, 120 capsules:
- An essential amino acid that helps support mood, relaxation, and restful sleep
- Plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response
- Also supports immune functions, as the body's precursor to the kynurenines that regulate immunity
- If needed, converts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism of food, and the production of hydrochloric acid for the digestive system
- Extremely pure and regularly tested to ensure the highest standards of quality
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Customer Reviews
Great product 
2008-08-10
Have been able to come off all meds for depression as well as sleeping pills.
Have had no side effects and same dose continues to work for depression and insomnia.
Give it a try....
Works great -- but they're horse-size pills! 
2008-05-13
L-Tryptophan helps both my husband and me fall asleep quickly, even when nothing else will work. Even with intractable cervical disc pain (I can't take any pain relievers, including OTC or herbals because I've developed allergies to ALL of them), this helps me to fall asleep. It doesn't reduce the pain; it just helps me sleep despite the pain. So far, this is the only thing that does that.
The only downside is the size of these pills. My husband doesn't have any trouble swallowing them, but I have to gag them down, one at a time. Fortunately, Source Naturals makes a caplet that is much easier to swallow. I'll continue to buy these for my husband, and I'll buy the caplets for myself.
A WONDERFUL, NATURAL PRODUCT 2008-04-06
Source Naturals L-Tryptophan, 500 mg, Tablets, 120 tablets I have suffered from insomnia since I was about 11 years old and am now 40. This is the only natural product that I have tried that works! It is not an instant fix rather, it's a cummulative effect. I guess that I really began to notice it's benefits after about one month.
I also have some anxiety and nervousness so the dose that seems to work best for me is 2-4 tablets in the morning and 4 at night. I feel less anxious and more peaceful throughout the day and actually sleep at night, without worrying about becoming dependent on a chemical sleep aid or anxiety medicine. I highly recommend this product!!
It does work...and I was a skeptic 2008-04-04
I have always been a skeptic of vitamins/supplements. However, due to constant fatigue from not getting enough sleep, I went to my doctor for help. My doctor advised this supplement much to my protest. I thought it would be a waste of money to try it. On the first night of taking the supplement, I felt immediate improvements. Its amazing what this little pill is able to generate. I am able to sleep peacefully and wake up relaxed with no side effects. L-Tryptophan has got to be the best thing since sliced bread. My husband tried it and he says he is able to go to sleep at 3 am after popping one of the pills and is able to wake up at 7 a.m. and feel as if he had 8+ hours of sleep with no grogginess.
Stopped my migraines 2007-10-28
I started taking the standard dosage (3 pills) of this product earlier this year, and I am now migraine free. It's not that I haven't had triggers -- I can feel the pain coming on and then a tingling sensation, and it goes away.
I also fall asleep more quickly and sleep very soundly most nights, but that's gravy compared to not needing to touch my migraine meds in many months now.
If you want to try a natural solution for giving your body building blocks for the important chemicals it needs to produce -- serotonin, melatonin, and niacin -- I highly recommend this product.
does not work 
2007-10-22
this product does NOT help me fall asleep AT ALL. i tried 3 capsules before bed for a week, even took 3 capsules of valerian root together with tryptophan. nothing. i honestly tried but will have to start taking lunesta, because i can't work on 4-5 hours of sleep.
i have no way of knowing whether there's a real thing in those capsules or my insomnia just way too strong.
A gentle tranquilizer 2007-10-17
I take this product when I'm stressed and before going to bed at night. It works!
Excellent Sleep Aid 2007-05-30
I come from a long line of semi-insomniacs and have always had difficuly falling asleep and remaining so without waking up every hour or two. Since I have been taking 3 capsules of the tryptophan before bed I have been sleeping like a baby everynight and feel much more refreshed and rested during the day.
