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L-Tryptophan
500 mg, 90 vegetarian capsules Item # 01722
Promotes healthy sleep, mood, stress response & satiety
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L-Tryptophan
500 mg, 90 vegetarian capsules Item # 01722
Promotes healthy sleep, mood, stress response & satiety
Our premium-quality L-Tryptophan formula helps maintain tryptophan levels to promote healthy sleep and mood, encourage a healthy stress response, promote satiety and more.
For occasional sleeplessness
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First shipment within 1 business day with FREE standard shipping. Price includes Super Sale discount.
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Frequently Bought Together
- This Item: L-Tryptophan, 500 mg, 90 vegetarian capsules
- L-Theanine, 100 mg, 60 vegetarian capsules
Total Price:
What Is L-Tryptophan?
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 promotes healthy sleep patterns and mood, while encouraging the body’s healthy response to stress.
L-Tryptophan Benefits
- Supports healthy sleep & mood
- Helps modulate your body’s natural stress response
- Promotes satiety
This supplement should be taken in conjunction with a healthy diet and regular exercise program. Individual results are not guaranteed, and results may vary.
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.
Life Extension - Why Do We Do It?
The Best Supplements Science Can Offer
When putting something in your body, you should be confident that you’re getting the nutritional benefits your body deserves. We've been delivering the highest-quality products—backed by science and formulated with the finest ingredients—for over 40 years.
What Matters to You, Matters to Us
We're committed to empowering you to live a healthier life. Whether it’s finding sustainable partners for our ingredients or funding the latest anti-aging research, we're all about your health & wellness.
Highly Recommended
98% of our customers recommend us to family and friends. We're very proud of that because our loved ones matter to us—and we're willing to bet you feel the same way.
Product Transparency
40 years of research dedicated to bringing you premium, scientifically-validated formulations.
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.
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Consult your healthcare provider before using this product if you are taking medication for mood concerns, such as MAOIs or SSRIs. Use caution before driving or operating heavy machinery |
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- 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
- 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.
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. Full product reviews disclaimer
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