L-Tryptophan is an essential amino acid (protein building block) in human nutrition that helps promote healthy sleep. Essential amino acids are not synthesized by the body and must be obtained in the diet. Doctor's Best L-Tryptophan with TryptoPure® is manufactured and tested for purity according to the Japanese Pharmacopeia (JP) and the United States Pharmacopeia (USP) standards. Science-Based Nutrition™ Non-GMO / Gluten Free / Vegetarian
This product is not intended to diagnose, treat, cure, or prevent any disease or health condition. Results may vary from individual to individual. While we try to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Please check the bottle for the most up to date information.
Type
Capsule
Gender
Unisex
Sustainability Committment
Landys Chemist is committed to creating a more sustainable world. As part of our commitment we only use recyclable materials for our packaging. That means no plastic waste and we're alway looking for ways to improve further. In addition we recycle the vast majority of our own waste. We also provide invoices electronically rather than on paper to reduce paper waste.
As an NHS business we work tirelessly to provide support to our local community with a particular focus on those most vulnerable and in need. In addition we also support a number of local charities in North West London to try and help create a more equitable society.
Here’s what our other customers thought...
100%
Jim C
Very dependable sleep aid.
100%
Blake M york
I started taking these along with l-tryptophan, and while it took a few days before I could notice the l-tryptophan working, the l-theanine worked bea
...utifully the very first time I took it. I take 1 in the morning now with my cup of coffee while I get ready for my day & I do experience a noticeable difference. I am on my second set of them now, about to order my 3rd, I will never be without these 2 supplements now - they have dramatically changed my life. I keep a few extra l-theanine pills in my purse in case of some really anxious or nervous high anxiety situation arises, I just take an extra one that day & within 15 minutes or so I'm calmer and more focused. These legitimately changed my life. A+++++
100%
Cian F
I am a programmer who primarily works evenings stuck behind monitors, and typically cannot get to sleep before 4am. I've always had insomnia thou
...gh. When I finally do get to sleep I get easily woken up and often have a hard time going back to sleep (even if I've only got a few hours of sleep). I've tried prescription medicine and I'll no longer get closed to anything dangerous like Ambien. This combination doesn't knock me out, and isn't a miracle cure. However about 30-60minutes after taking it, it starts to slow my chaotic mind and lets me relax enough to try and fall asleep. It also helps me sleep through or return to sleep from minor disturbances, and most importantly I seem to awaken without feeling groggy (unlike other OTC meds like diphenhydramine).
80%
Maggie
I use L-tryptophan intermittently, particularly if I'm feeling overly stressed, and it does seem to help with gently drifting off to sleep. I als
...o understand the role of serotonin in stabilizing and supporting healthy mood, but since I eat a Paleo diet which includes healthy proteins, it can be difficult to determine exactly the role L-tryptophan plays in supporting a better mood vs. the entire protein complement in whole foods. As with most supplements/foods, it boils down to the individual. Also, as with many supplements, it's important to find the best scientific studies (double blind, human trials, etc.) as well as the quality of a particular manufacturer. To date, I've been satisfied with Doctor's Best products but, again, one needs to consider their particular physiology along with the course of supplements and/or medications they use. As a layperson, I tend to think well, it's just an amino acid, but I still question the efficacy of isolating nutrients from the whole food.
80%
K.H
All of Doctor's Best products seem to be quite high quality; I use several. 3 capsules of this on an empty stomach before bedtime put me to sleep
... easily - unfortunately, they don't help me get back to sleep if I wake up early in the morning, but I'll take what I can get. I also really appreciate the fact that unlike so many others, they use vegetarian capsules.
80%
emerjensea
I add this to my nighttime routine and find it helps complement the melatonin i take. I believe it is a quality product, but I am not in a lab to do t
...ests that could verify any of this. I do believe it has a subtle (desired) effect on my overall serotonin levels, but i cannot confirm that, either. Anything is better than SSRI’s that are similarly unknown to the psychopharmacological community prescribing them: mediocre and conflicting test results and virtually zero expertise re: mechanism of action, side effects, potential risk, or safe prescribing criteria... But that is just my own, non-M.D. personal experience and opinion.
100%
Susan B
Make sure to take it on an empty stomach and away from other amino acids like tyrosine. Gaba is a different kind of amino acid, so I take them togethe
...r. But the trytophan is a relatively weak amino acid and has to compete against other amino acids to get through the blood brain barrier. Sometimes the other amino acids get through the blood brain barrier and this gets swiped away and brought down to the cell walls to be turned into muscle instead of going into the brain to convert into serotonin/melatonin for good mood and good sleep.
