What is the source of the dextrose used for this tryptophane? Is any part of it sourced or manufctured outside the US?

There is no dextrin in the Pure Encapsulations L-Tryptophan. The l-tryptophan is sourced from the USA and the pyridoxal 5’ phosphate is sourced from China. As with all raw materials, each batch of ingredients received by Pure Encapsulations is tested upon reception for identity, potency (if applicable) and contaminants, which can include heavy metals, residual solvents, allergens, pesticide residues and others depending on ingredient and level of risk. The raw materials are blended and encapsulated in the USA.

Pure Encapsulations - L-Tryptophan contains 6.7 mg of Vitamin B6 and 1000 mg of TryptoPure per 2 capsules.

is this made from GMO corn?

All Pure Encapsulations ingredients, including those derived from corn, are GMO-free.

Is this made by fermentation?

L-Tryptophan is derived from corn dextrose fermentation. The corn dextrose fermentation process starts with isolating dextrose from corn (a sugar, so does not contain allergenic corn protein), which is then fed to micro-organisms. The micro-organisms produce these nutrients, and the nutrients are then isolated and purified away from the starting materials. While no corn proteins or sugar remain in the final product (and Pure has tested with negative results), they do not routinely test for corn allergens and therefore they would not be able to guarantee its safety for someone with a corn allergy. It is generally well tolerated by individuals who are corn sensitive.

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Pure Encapsulations L-Tryptophan | Amino Acid Supplement for Relaxation, Serotonin Support, PMS, and Sleep* | 180 Capsules

Pure Encapsulations L-Tryptophan | Amino Acid Supplement for Relaxation, Serotonin Support, PMS, and Sleep* | 180 Capsules

Product ID: 428704243

Details

Age range (description)
Adult
Brand
Pure
Flavour
Unflavored
Item dimensions L x W x H
10.8 x 10.6 x
Item form
Capsule
Item weight
0.18 Kilograms

🌿Pure, allergen-free formula

💤Supports sleep onset & duration

🧘‍♂️Promotes relaxation & craving control

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C$30475

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Description

🌙 Unlock your best sleep and mood—because you deserve to thrive every day!

CLEAN LABEL PURE POWER - Free from gluten, GMOs, artificial additives, and common allergens—because what’s left out matters.
CALM MIND BALANCED MOOD - Scientifically shown to support serotonin production and ease occasional PMS irritability.
EXPERTLY CRAFTED FOR YOU - Premium ingredients sourced and tested by nutritional experts to ensure potency and purity.
RESTFUL NIGHTS ENERGIZED DAYS - Clinically backed to enhance sleep quality and duration for your busiest mornings.
FEEL THE DIFFERENCE SKIP THE CRAVINGS - Natural relaxation support that helps control occasional cravings, keeping you on track.

L-Tryptophan is a premium amino acid supplement designed to support restful sleep, serotonin production, and relaxation. With 180 pure capsules free from common allergens and artificial additives, it’s clinically researched to improve sleep onset, duration, and mood balance, especially during PMS. Enhanced with Vitamin B6 for optimal metabolism, this supplement is crafted for professionals seeking natural, clean wellness solutions.

Specifications

ASIN	B07H8N948R
Age Range Description	Adult
Best Sellers Rank	#162,573 in Health ( See Top 100 in Health ) #2,340 in Amino Acid Nutritional Supplements #4,453 in Multiple Vitamin-Mineral Combination Supplements
Brand	Pure Encapsulations
Brand Name	Pure Encapsulations
Color	red
Container Type	Bottle
Customer Reviews	4.9 out of 5 stars 44 Reviews
Dosage Form	Capsule
Flavor	Unflavored
Flavour	Unflavored
Item Dimensions	10.8 x 10.6 x 9.3 centimeters
Item Form	Capsule
Item Weight	0.18 Kilograms
Item dimensions L x W x H	10.8 x 10.6 x 9.3 centimeters
Item form	Capsule
Item weight	0.18 Kilograms
Manufacturer	Pure Encapsulations
Manufacturer Part Number	B07H8N948R
Material Features	Food Safe
Number of Items	1
Product Benefits	Sleep Support
Special Ingredients	Amino Acids
Specific Uses For Product	Laboratory
Total Servings Per Container	60
Unit Count	180 Count
Unit count	180 Count

Reviews

A**E

I use every day, helps me a lot

I don’t use as directed, I take 3 in the evening. 3 hours later, I get groggy enough to fall asleep. For me, 3 hours later I burp a lot but after 10 mins or so it’s much easier to sleep. I took advilpm and 4xcedrin pm for decades, and I like that this is a natural remedy.

6.09.2019

O**N

All natural

Good sleep aid

8.05.2019

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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C$30475

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In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Nicaragua.

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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