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Source Naturals

L-Tryptophan

Item: SN489

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Swanson $7.19
Retail $12.25
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500 mg 30 TabsOther Sizes

  • Supports healthy sleep



  • Promotes relaxation



  • 30 tablets


L-tryptophan plays a part in the synthesis of both melatonin and serotonin, hormones involved in mood and stress response. It is an essential amino acid that helps support relaxation and restful sleep, as well as immune health. L-Tryptophan from Source Naturals delivers 500 mg per tablet.

Lee Swanson, President

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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

  • Supports healthy sleep



  • Promotes relaxation



  • 30 tablets


L-tryptophan plays a part in the synthesis of both melatonin and serotonin, hormones involved in mood and stress response. It is an essential amino acid that helps support relaxation and restful sleep, as well as immune health. L-Tryptophan from Source Naturals delivers 500 mg per tablet.

Product Label:

L-Tryptophan

Supplement Facts

Serving Size 3 Tablets

Servings Per Container 10

  Amount Per Serving %Daily Value
Calcium 52 mg 5%
Iron (naturally occurring) 570 mcg 3%
L-Tryptophan 1.5 g

†Daily Value not established.

Other ingredients: dibasic calcium phosphate, stearic acid, modified cellulose gum, and silica.

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

Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.

STORE IN A COOL, DRY PLACE.

CAUTION: If you are pregnant, may become pregnant, breastfeeding, may become pregnant, or are taking medications such as SSRIs or MAOIs consult your health care professional before using this product.

Terms and Ingredient Definitions

L-Tryptophan

Swanson $7.19
Add To Order

Source Naturals L-Tryptophan Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

L-Tryptophan 5 5 1 1
Good Suff L-Tryptopahn is excellent in helping me with my work-outs and a restful sleep. April 25, 2014
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