Source Naturals

L-Tryptophan

Swanson $10.19

Retail $19.98

Item #: SN119
Availability: In Stock
500 mg 60 Caps

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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.

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

Summary of Customer Ratings & Reviews

Source NaturalsL-Tryptophan

Overall Rating:

4 out of 5

Quality:

3.8 out of 5

Value:

3.8 out of 5

Effectiveness:

4 out of 5

Convenience:

4 out of 5

Satisfaction:

4 out of 5

4 of 5(80%)customers would recommend this product to a friend.

Write a Review

5 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.

Overall Rating:

4 out of 5

Quality:

3.8 out of 5

Value:

3.8 out of 5

Effectiveness:

4 out of 5

Convenience:

4 out of 5

Satisfaction:

4 out of 5

4 of 5(80%)customers would recommend this product to a friend.

Write a Review

Customer Ratings & Reviews

Source NaturalsL-Tryptophan

Overall Rating:

4 out of 5

Quality:

3.8 out of 5

Value:

3.8 out of 5

Effectiveness:

4 out of 5

Convenience:

4 out of 5

Satisfaction:

4 out of 5

4 of 5(80%)customers would recommend this product to a friend.

Overall Rating:

4 out of 5

Quality:

3.8 out of 5

Value:

3.8 out of 5

Effectiveness:

4 out of 5

Convenience:

4 out of 5

Satisfaction:

4 out of 5

4 of 5(80%)customers would recommend this product to a friend.

Product Reviews

Overall:

1 out of 5

Quality:

1 out of 5

Value:

1 out of 5

Effectiveness:

1 out of 5

Convenience:

1 out of 5

Satisfaction:

1 out of 5

Reviewed by:TheLily

Title:ineffective

Date:January 30, 2012

"this product did not work at all. I have used another brand and though it costs more at least it worked."

Overall:

5 out of 5

Quality:

5 out of 5

Value:

5 out of 5

Effectiveness:

5 out of 5

Convenience:

5 out of 5

Satisfaction:

5 out of 5

Reviewed by:chainsawchef

Title:Great product

Date:April 10, 2011

"Very satisfied with this product. Will order again."

1 of 1 people found this review helpful.

Overall:

5 out of 5

Quality:

5 out of 5

Value:

5 out of 5

Effectiveness:

5 out of 5

Convenience:

5 out of 5

Satisfaction:

5 out of 5

Reviewed by:LGEM

Title:excellent for relaxation

Date:September 27, 2010

"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."

Overall:

4 out of 5

Quality:

4 out of 5

Value:

4 out of 5

Effectiveness:

4 out of 5

Convenience:

4 out of 5

Satisfaction:

4 out of 5

Reviewed by:Tino

Location: Houston, TX

Gender: Male

My Generation: Generation X (between 1965 and 1976)

I shop for dietary supplements: Once every 3 to 6 months

Shopping style: I come to a website prepared to buy, and I want to checkout quickly.

I've been using dietary supplements for: My entire life

Title:Good stuff

Date:October 3, 2009

"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."

Overall:

5 out of 5

Quality:

4 out of 5

Value:

4 out of 5

Effectiveness:

5 out of 5

Convenience:

5 out of 5

Satisfaction:

5 out of 5

Reviewed by:Lacey

Gender: Female

My Generation: Baby Boomer Generation (between 1946 and 1964)

I shop for dietary supplements: Once every 1 to 3 months

Shopping style: I'm motivated by a company's sales, promotions and overall personality.

I've been using dietary supplements for: More than five years

Top 1000 Contributor

Title:

Date:August 1, 2009

"This has been working well for me in promoting a better quality of sleep. I prefer tabs and am happy with this product."

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