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Source Naturals

L-Tryptophan

Item: SN119

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Swanson $12.31
Retail $21.98
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500 mg 60 Caps

  • Mood, relaxation & sleep

  • Hypoallergenic

  • 500 mg per capsule
The essential amino acid L-tryptophan helps support relaxation, restful sleep, and feeling better. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response. Source Naturals L-TRYPTOPHAN is extremely pure and is regularly tested to ensure the highest standards of quality.

Hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives or artificial color, flavor or fragrance.

Lee Swanson, President

Risk-Free Purchase Guarantee

If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping. Lee Swanson, President of Swanson Health Products

Product Description:

L-Tryptophan

  • Mood, relaxation & sleep

  • Hypoallergenic

  • 500 mg per capsule
The essential amino acid L-tryptophan helps support relaxation, restful sleep, and feeling better. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response. Source Naturals L-TRYPTOPHAN is extremely pure and is regularly tested to ensure the highest standards of quality.

Hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives or artificial color, flavor or fragrance.

Product Label:

L-Tryptophan

Supplement Facts

Serving Size 3 Capsules

Servings Per Container 20

  Amount Per Serving % Daily Value
L-Tryptophan 1.5 g

†Daily Value not established.

Other ingredients: Gelatin (capsule), colloidal silicon dioxide, and magnesium stearate.

Suggested Use: 1 capsules three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3 capsules before bed.

CAUTION: If you are pregnant, may become pregnant, breastfeeding, or are taking medications such as SSRI's or MAOI's, consult your healthcare professional before using this product.

HYPOALLERGENIC: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Terms and Ingredient Definitions

L-Tryptophan

Swanson $12.31
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Shipping Restrictions

Countries with restrictions on this product:

  • Canada

More information on shipping restrictions

States with restrictions on this product:

  • Alberta
  • British Columbia
  • Manitoba
  • New Brunswick
  • New Foundland
  • Northwest Territory
  • Nova Scotia
  • Nunavut
  • Ontario
  • Prince Edward Island
  • Quebec
  • Saskatchewan
  • Yukon Territory

More information on shipping restrictions

Source Naturals L-Tryptophan Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

L-Tryptophan 4.3 5 6 7
Very Good Product Does exactly what I need it to. It gently helps me sleep better at night. April 24, 2013
ineffective this product did not work at all. I have used another brand and though it costs more at least it worked. January 30, 2012
Great product Very satisfied with this product. Will order again. April 10, 2011
excellent for relaxation This product helps me relax at night so I can get a good night's rest. Amazing product! I wake up refreshed in the morning and not drowsy. September 27, 2010
Good stuff I've been taking it to fall back asleep if I wake up early in the morning, and it has been working just fine. Very good product, highly recommended. October 3, 2009
This has been working well for me in promoting a better quality of sleep. I prefer tabs and am happy with this product. August 1, 2009
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