L-Tryptophan
- 500 mg, 90 capsules
- Item # 01722
Click to Zoom
Double Tap to Zoom
Click to Zoom
Double Tap to Zoom
L-Tryptophan
- 500 mg, 90 capsules
- Item # 01722
Promotes healthy sleep, mood, stress response & satiety
$24.75
Super Sale
$22.28
$0.25 / count | 30 - 90 Day Supply
Save $4.50
$0.22/count | 30 - 90 Day Supply
Learn more about VIP AutoShip
I take it at night to aid in sleep!
Toni, Roswell
Frequently Bought Together
- This Item: L-Tryptophan, 500 mg, 90 capsules
- L-Theanine, 100 mg, 60 capsules
Total Price:
$42.75
Sale $38.48
Save $4.28
Serotonin is a neurotransmitter in the brain associated with positive moods and restful sleep. Your body requires the essential amino acid tryptophan to produce and maintain healthy serotonin levels. Our formula delivers 500 mg of L-tryptophan that has undergone rigorous manufacturing processes to ensure the highest quality and purity.
L-Tryptophan Benefits
- Supports healthy sleep & mood
- Helps modulate your body’s natural stress response
- Promotes satiety
Support Sleep & Stress Management
A lack of sleep can cause stress, which can lead to a lack of sleep. Break the cycle and get those sleep patterns back on track with our L-tryptophan. It contains 500 mg of L-tryptophan that has undergone a rigorous manufacturing process to ensure high quality and purity.
Why Life Extension?
100% Satisfaction Guarantee
Full one-year, no-hassle returns, money-back guarantee.
Highly Recommended
98% of our customers recommend us to family and friends. Life Extension is proud to be recognized as the #1 Catalog/Internet Brand—3 years running.†
Complimentary, Personalized Guidance
Medical doctors, nutritionists & other health professionals are passionate about providing personalized solutions to help you achieve optimal health.
Efficacious Formulas
40 years of research dedicated to bringing you premium, scientifically-validated formulations.
Product Transparency
99% of our products are manufactured in the U.S. Our facility is NSF GMP registered, and a Certificate of Analysis is available for every product we produce.
Our premium-quality L-Tryptophan formula helps maintain healthy tryptophan levels in the body. Tryptophan promotes healthy sleep and mood, encourages a healthy stress response and more.
More facts about L-Tryptophan
MoreThese products are not intended to diagnose, treat, cure, or prevent any disease.
- Rev Neurol (Paris). 2001;157(11 Pt 2):S16-9.
- Nutrients. 2016;8(1):1-15.
- PLoS Comput Biol. 2008;4(2):e4.
- Int J Tryptophan Res. 2009;2:45-60.
- Int J Tryptophan Res. 2018;11:1178646918802282.
- Arch Psychiatr Nurs. 2015;29(2):102-7.
- Psychoneuroendocrinology. 2013;38(2):201-8.
- Sci Rep. 2016;6:35727.
- Rev Assoc Med Bras. 2011;57(1):74-7.
| ||||||||||
| Dosage and Use | ||||||||||
| ||||||||||
| Caution | ||||||||||
Consult your healthcare provider before taking this product if you are taking prescription medications (e.g. MAOI and SSRI antidepressants) for depression. Concomitant use of L-tryptophan with antidepressant medications has the potential to increase the risk of serotonin syndrome, characterized by symptoms like confusion, sweating, agitation, nausea, involuntary muscle contractions, and racing heartbeat. Do not use L-tryptophan before driving or operating heavy machinery. | ||||||||||
- KEEP OUT OF REACH OF CHILDREN
- DO NOT EXCEED RECOMMENDED DOSE
- Do not purchase if outer seal is broken or damaged.
- When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
To report a serious adverse event or obtain product information, contact 1-866-280-2852.
Actual Size
Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Life Extension. We do not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer.
Related Health Information
Related Products
