L-Tryptophan

1 Capsule a Day | 60 Day Supply

L-Tryptophan
For Relaxation, * Positive Mood & Sleep*

L-tryptophan is an essential amino acid and hence cannot be synthesized by the body, but must be obtained from food or supplements. Because L-tryptophan is converted to serotonin (5-hydroxytryptamine) and melatonin in the body, it plays an important role in promoting relaxation, restful sleep and positive mood.*

L-tryptophan may also help in reducing carbohydrate cravings.* Jarrow Formulas® L-Tryptophan TryptoPure® is manufactured at a GMP facility via fermentation of vegetable materials

Benefits

92% Impact
Mood Support
Sleep Aid
Stress Relief
Precursor to Niacin
Supports Immune Function

Brain Brain Nutrients Mood Sleep Sleep Onset Sleep Waking Stress Unrestful Sleep
$25.49

Why it’s good for you

  • Mood Regulation

    L-Tryptophan is a precursor to serotonin, a key neurotransmitter involved in mood regulation. Increased serotonin levels can help alleviate symptoms of depression and anxiety, contributing to a more balanced and positive mood.

  • Sleep Improvement

    L-Tryptophan is converted into melatonin in the body. Melatonin is a hormone that regulates sleep-wake cycles. Adequate levels of melatonin can improve the quality of sleep, helping you fall asleep faster and enjoy more restful sleep.

  • Stress Reduction

    By promoting the production of serotonin and melatonin, L-Tryptophan helps in managing stress and promoting relaxation. This can be particularly beneficial for individuals experiencing high levels of stress or those who have difficulty unwinding.

Ingredients & Dietary Information

Ingredients

Active
per day
%DRV*
L-Tryptophan
500 mg
-

*Dietary Reference Values

Dietary Information

Vegan
Gluten-free
Dairy-free
Nut-free
Soy-free
No artificial colors
No artificial flavors
No artificial sweeteners
Non-GMO

Notable Research Papers

A systematic review of the effect of L-tryptophan supplementation on mood and emotional functioning. J Diet Suppl. 2021;18(3):316-333. https://pubmed.ncbi.nlm.nih.gov/32272859/

l-Tryptophan exhibits therapeutic function in a porcine model of dextran sodium sulfate (DSS)-induced colitis. J Nutr Biochem. 2010 Jun;21(6):468-75. https://pubmed.ncbi.nlm.nih.gov/19428234/

L-Tryptophan: Basic Metabolic Functions, Behavioral Research and Therapeutic Indications. Int J Tryptophan Res. 2009 Mar 23;2:45-60. https://pubmed.ncbi.nlm.nih.gov/20651948/

L-Tryptophan FAQ

What is L-Tryptophan?
L-Tryptophan is an essential amino acid that the body uses to produce serotonin, melatonin, and niacin.
How does L-Tryptophan improve sleep?
L-Tryptophan is converted into melatonin, a hormone that regulates sleep-wake cycles, thus promoting better sleep quality.
Can L-Tryptophan help with anxiety and depression?
Yes, by increasing serotonin levels, L-Tryptophan can help alleviate symptoms of anxiety and depression, promoting a more balanced mood.
Is L-Tryptophan safe to use?
L-Tryptophan is generally considered safe when taken at recommended doses. However, it is always best to consult with a healthcare provider before starting any new supplement.
How should I take L-Tryptophan supplements?
It is recommended to take L-Tryptophan supplements as directed on the product label or by your healthcare provider, typically on an empty stomach for better absorption.