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NOW Foods

L-Tryptophan

Item: NWF768

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Vegan
Vegetarian
Gluten Free
Swanson $20.22
Retail $33.99
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2 oz Pwdr

  • Supports relaxation and restful sleep

  • Pharmaceutical grade (USP)

  • Encourages positive mood

  • Vegetarian product
An essential amino acid, L-tryptophan is important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating mood and stress response. L-Tryptophan helps support relaxation, sleep, positive mood and immune function. As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. NOW L-Tryptophan is pharmaceutically pure--every lot is tested to be free of Peak E and microbial contamination.
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

  • Supports relaxation and restful sleep

  • Pharmaceutical grade (USP)

  • Encourages positive mood

  • Vegetarian product
An essential amino acid, L-tryptophan is important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating mood and stress response. L-Tryptophan helps support relaxation, sleep, positive mood and immune function. As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. NOW L-Tryptophan is pharmaceutically pure--every lot is tested to be free of Peak E and microbial contamination.

Product Label:

L-Tryptophan

Supplement Facts

Serving Size Two ¼ Level Teaspoons (1.0 g)

Servings Per Container: 57

  Amount Per Serving % Daily Value
L-Tryptophan (Free-Form) 950 mg

†Daily Value not established.

Other Ingredient: Cellulose.

Suggested usage: As a dietary supplement, take one or two ¼ level teaspoons 2 to 3 times daily on an empty stomach or as directed by a healthcare professional. Best used at bedtime. Consider taking this product in combination with NOW® Inositol and Magnesium.

WARNING: Keep out of reach of children. Pregnant/lactating women, those taking anti-depressant medications (such as SSRI’s or MAOI’s) or those with liver disorders, consult a healthcare professional before using this product. May cause drowsiness.

Contains no sugar, salt, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives.

Vegetarian/Vegan Product.

Terms and Ingredient Definitions

L-Tryptophan

Swanson $20.22
Add To Order

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

NOW Foods L-Tryptophan Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Rated 3.4 out of 5 by 5 reviewers.
Rated 5 out of 5 by Glad to find this powder Yes, this powder is somewhat bitter, as other reviewers mentioned, but it is a lot less bitter than another brand I was using. I think that is just the taste of L-Tryptophan. I am grateful to find the reasonable price of this product, since Tryptophan tends to be pricey and I am glad to be able to take it without all the fillers. June 10, 2015
Rated 3 out of 5 by A Taste Disappointment I expected to use this powder in water for larger tryptophan doses per day. I have tasted glucosamine sulfate, which is pleasant as a powder, but the tryptophane powder is rather bitter, and I think I will throw away the bottle. September 16, 2013
Rated 1 out of 5 by buy the pills not the powder very disappointed with the powder. doesn't mix well with water, clumpy, tastes awful. I got the powder hoping it would absorb faster, but it is quite unpleasant to take in this form. buy pills instead! May 27, 2012
Rated 4 out of 5 by Good product I bought this Tryptophan to help me sleep. It was more economical to buy the powder than pills. However, I never feel like I'm able to get a consistent dose. But it does help me sleep. I'll order this again. April 3, 2012
  • 2015-07-29T16:03:13.248-05:00
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