$20.99 when purchased online
Target Online store #3991
About this item
Highlights
- DOCTOR’S BEST L-TRYPTOPHAN contains L-Tryptophan - an essential amino acid (protein building block) that is not synthesized by the body and must be obtained in the diet or supplementation. It is also essential in the production of niacin, which is then metabolized into serotonin and melatonin in the brain. These neurotransmitters exert a calming effect for a better cognitive focus, encourages a positive mood, and a normal restful sleep.
- MAINTAIN SEROTONIN LEVELS – L-Tryptophan is an amino acid that is a precursor of serotonin in the body. Serotonin is required for early brain development, emotional maturation, memory and other cognitive functions, coping with fear and stress, healthy sleep patterns and healthy mood. Serotonin also is the main source of melatonin, the body’s major sleep hormone.
- PROMOTES NORMAL RESTFUL SLEEP – L-Tryptophan supplements helps encourage a positive mood and a normal restful sleep. Serotonin also is the main source of melatonin, the body’s major sleep hormone.
- BALANCE YOUR MOOD – serotonin in the brain helps amino acids, helps exert a calming effect and encourages better cognitive focus, a positive mood.
Description
At Doctor's Best, we value the pursuit of a happy and balanced life. Our specialized L-Tryptophan formula serves as both an essential building block for protein and a precursor to serotonin, a key brain messenger. This feel-good messenger plays a pivotal role in supporting mood and sleep quality, while contributing to overall well-being.
Contains: Does Not Contain Any of the 9 Major Allergens
Suggested Age: Adult
Product Warning: Consult a doctor if you have a medical condition prior to use
Product Form: Capsule
Package Quantity: 90
Net weight: 3.28 ounces
TCIN: 1001874000
UPC: 753950001268
Origin: made in the USA or imported
Healthcare Disclaimer:
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Serving Size: 1 veggie capsule
Serving Per Container: 90
Amount :
% Daily Value*
L-Tryptophan 500mg0%
* Percentage of Daily Values are based on a 2,000 calorie diet.
Shipping details
Estimated ship dimensions: 4.4 inches length x 2.35 inches width x 2.35 inches height
Estimated ship weight: 0.205 pounds
This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO, Alaska, Hawaii
item ships from third party seller: iHerb
Return details
This item can be returned to any Target store or Target.com.
This item must be returned within 90 days of the date it was purchased in store, shipped, delivered by a Shipt shopper, or made ready for pickup.
See the return policy for complete information.
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5.0 out of 5 stars with 11 reviews
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5 out of 5 stars
Jose S - 4 years ago
originally posted on swansonvitamins.com
I feel like an old self version of my self. It has helped me maintain a more positive mindset.
Helps sleep naturally.
5 out of 5 stars
LolaJ - 5 years ago
originally posted on swansonvitamins.com
Helps with sleep and no grogginess like melatonin. It's like eating a turkey sandwich drowsy.
Great product!
5 out of 5 stars
Betty - 6 years ago
originally posted on swansonvitamins.com
I have been taking this for years as it is quire effective.
Really Helps You Relax & Sleep
5 out of 5 stars
CoolKitty3 - 7 years ago
originally posted on swansonvitamins.com
Doctor's Best L-Tryptophan is the best product of this kind that I've tried so far. It really helps me to relax my brain so that I can drift off to sleep. And I like that the dosage is only one capsule.
This helps me
5 out of 5 stars
Softeyes - 9 years ago
originally posted on swansonvitamins.com
This product helps me. When I stop taking it I feel it.
LOVE L-Tryptophan!
5 out of 5 stars
vitaminjunkie - 9 years ago
originally posted on swansonvitamins.com
Can't rave enough about this product. Not only did it help my mood on a day to day basis, it helps me sleep soundly at night. I've never slept as soundly as I do now. I take 2 tablets before bed and highly recommend it to anybody that wakes up often or doesn't feel rested in the morning. It works and has given me a more positive daily outlook.
Best L-tryptophan
5 out of 5 stars
nitajl - 10 years ago
originally posted on swansonvitamins.com
Excellent product. I was looking for L-Tryptophan without dairy, this one fit the bill. It works great for getting to sleep. Wish they made it in a pill form, as the capsule has a tendency to float up to the top of the stomach, pop open, and get into my esophagus, but I try to stay sitting up for a while, or take 30 min before bed time.
Sleep like a baby!
5 out of 5 stars
jumble - 13 years ago
originally posted on swansonvitamins.com
I find this a great value for Tryptophan! I just can't sleep without it. Before I tried this I would wake every night after sleeping a few hours, and lay there for hours before I could go back to sleep. I take two nightly after dinner, at least an hour before bed. Under stressful situations when I might have even more trouble sleeping I will take another right before bed. I sleep like a baby! Thank goodness we can get Tryptophan again!