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Swanson Premium

L-Tryptophan

Item | SW1502

  • Helps support healthy serotonin levels, restful sleep and regulates body's circadian rhythm



  • Important amino acid that must be obtained from diet or supplements



  • Helps combat jet lag


Serving Information

  • Serving Size: 1 capsule
  • 500 mg Per Serving
  • 60 Servings Per Container
  • Caps Size: 00
$8.46
25% OFF
$11.29
Qty
Size
500 mg 60 Caps

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Supplement Facts

Serving Size 1 Capsule

Amount Per Serving   % Daily Value
L-Tryptophan 500 mg *

*Daily Value not established.

Other ingredients: Gelatin, rice flour, hydroxypropyl cellulose, magnesium stearate.

Suggested Use: As a dietary supplement, take one capsule with water 30–60 minutes before sleeping.

WARNING: For adults only. Do not take this product if you are pregnant or nursing or taking prescription antidepressants. Consult your physician before using this or any product if you are taking medication or have a medical condition. Keep out of reach of children.

Do not use if seal is broken. Store in a cool, dry place.

Discovered

by our team of internal scientific & wellness experts

Tested

for unsurpased purity, potency safety & quality by internal & third-party labs

Approved

by Swanson Health's expert standards for quality products for mind, body & home

Quality Code Approved
  • Helps support healthy serotonin levels, restful sleep and regulates body's circadian rhythm



  • Important amino acid that must be obtained from diet or supplements



  • Helps combat jet lag


Looking for effective sleep support? Swanson L-Tryptophan offers 500 mg of L-tryptophan per capsule to help support healthy serotonin levels and provide restful sleep. L-tryptophan, an essential amino acid, has to be obtained in the diet or in supplement form. Extensive lot tests indicate no Peak-E in this product.

Terms and Ingredient Definitions

Shipping Weight: .18 lbs

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

MSRP: $18.99

For our website and catalog, the MSRP is the "Manufacturer's Suggested Retail Price." The MSRP is understood to mean the price at which a manufacturer will recommend a retailer sell a product for in stores, on the internet, or in catalogs. The MSRP of National brand items are dictated to Swanson by each manufacturer. For Swanson brand items, the MSRP is calculated based on a varying percentage above the product's base price.

Disclaimer: Product reviews are provided for informational purposes only. The information or opinions expressed therein are solely those of the contributors and do not necessarily represent those of Swanson Health Products and its employees. Please read full product reviews disclaimer.
1-5 of 65 reviews
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Works fast
This is great stuff in helping me to wind down and fall asleep fast when combined with Melatonin 10mg after a very stressful day at work.
Quality: 5.0 / 5.0
Value: 5.0 / 5.0
Effectiveness: 5.0 / 5.0
Convenience: 5.0 / 5.0
Satisfaction: 5.0 / 5.0
Helpful?
Good product. Safe and effective for getting to sleep.
Quality: 5.0 / 5.0
Value: 5.0 / 5.0
Effectiveness: 5.0 / 5.0
Convenience: 5.0 / 5.0
Satisfaction: 5.0 / 5.0
Helpful?
I bought it for a friend of mine and it didn’t work.
Quality: 1.0 / 5.0
Value: 1.0 / 5.0
Effectiveness: 1.0 / 5.0
Convenience: 1.0 / 5.0
Satisfaction: 1.0 / 5.0
Helpful?
It might work for you?
The only reason I’m not rating this 5 stars is because L-tryptophan doesn’t seem to work for me personally. I was hoping it would help with sleep as many I know say it does. I’ve tried it off and on for years, (many brands) still not working but price, etc great. Swansons products are a great price too. Wish it would help me sleep. Oh well.
Quality: 5.0 / 5.0
Value: 5.0 / 5.0
Effectiveness: 2.0 / 5.0
Convenience: 5.0 / 5.0
Satisfaction: 3.0 / 5.0
Helpful?
Relaxed me- also gave me a headache. Won’t repurchase for that reason.
Quality: 4.0 / 5.0
Value: 4.0 / 5.0
Effectiveness: 3.0 / 5.0
Convenience: 4.0 / 5.0
Satisfaction: 3.0 / 5.0
Helpful?

Swanson Health started in 1969 in Fargo, ND with a mission to offer pure and potent health products at a great value. Over 50 years later, we continue to innovate science-backed vitamins and supplements, delivering wellness solutions that help people live simply healthier together, and find vitality at any age. Click here to learn more about us.

For over 50 years, Swanson Health's research and development team has delivered science-backed health and wellness products to people around the world. Our innovation is guided by clinical research, scientific consensus, emerging research and usage traditions, creating products that help you find vitality at any age. At Swanson, we don't hide our science behind proprietary formulas — we believe in easy-to-read, transparent labelling. What's printed on our labels, is exactly what you'll find in our products.

Swanson Health's purity and potency testing begins with our ingredient sourcing, continues through manufacturing, and goes beyond when a product hits the shelf. Our testing exceeds industry standards, ensuring each product meets our quality guarantees for purity and potency. Swanson facilities are Good Manufacturing Practices (GMP) certified, and we voluntarily participate in third-party, independent laboratory testing. With Swanson, you can be sure you're getting the most pure and potent health products at a great value. Click here to learn more about our quality standards.

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