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Source Naturals

L-Tryptophan

Item: SN303

Usually Ships Within 3-4 Business Days

Swanson $16.58
Retail $32.50
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90 Caps

  • Natural support for mood and relaxation



  • Promotes healthy sleep cycles



  • 500 mg per capsule


Source Naturals L-Tryptophan promotes healthy mood, relaxation and sleep. This essential amino acid plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response and sleep cycles. L-Tryptophan also supports immune system function and can convert to niacin in the body to support circulation, a healthy nervous system, metabolism and digestion. Source Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality.

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

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Product Description:

L-Tryptophan

  • Natural support for mood and relaxation



  • Promotes healthy sleep cycles



  • 500 mg per capsule


Source Naturals L-Tryptophan promotes healthy mood, relaxation and sleep. This essential amino acid plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response and sleep cycles. L-Tryptophan also supports immune system function and can convert to niacin in the body to support circulation, a healthy nervous system, metabolism and digestion. Source Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality.

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

Product Label:

L-Tryptophan

Supplement Facts

Serving Size 3 Capsules

Servings Per Container 30

  Amount Per Serving %Daily Value
Iron (naturally occurring) 575 mcg 3%
L-Tryptophan 1.5 g

†Daily Value not established.

Other ingredients: gelatin (capsule), dibasic calcium phosphate, microcrystalline cellulose, silica, and magnesium stearate.

Suggested Use: 1 capsule three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3 capsules 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, breast feeding, or are taking medications such as SSRIs or MAOIs consult your health care 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 $16.58
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Shipping Restrictions

We're sorry; this item is only available for shipment in the United States.

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Source Naturals L-Tryptophan Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

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