Are Nutricost's product tested by an Independent Lab?

Yes they are. Every batch gets submitted for 3rd party testing before distribution.

Does this product's "other ingredients" include Magnesium Stearate?

It actually contains gelatin, Rice flour, magnesium stearate, mixrocrystalline cellulose, and silicon dioxide. The picture they have up only shows gelatin and rice flower which is not just misleading/lying but incredibly dangerous.

what country is this sourced from? China?

Honestly, I do not try to discern the source country for every product i use ... I make purchase decisions on a variety of factors, and country of origin just isn't among the top few. I use for my hyperactive dog and it seems to work nicely.

The label on the box says 1g per serving and the description here says 200mg per scoop with the little spoon that comes with it. What is correct?

1g per serving of L-Theanine is definitely not correct. 200mg is the correct serving size. The included spoon (leveled off) will amount to approximately 200mg.

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L-Theanine Powder 100 Grams - Gluten Free & Non-GMO

Product ID: 32483742

Details

Brand
Nutricost
Diet Type
Gluten Free
Flavor
Unflavored
Item Form
Powder
Item Weight
2.4 Ounces
Item dimensions L x W x H
3.46 x 3.46 x

🌱Gluten Free & Non-GMO

📦500 servings per container

⚖️200mg L-Theanine per serving

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MOP$249

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Description

🌿 Elevate your focus, calm your mind—because your hustle deserves premium peace.

PURE CLEAN FORMULA - Gluten free and Non-GMO, crafted in NSF certified, GMP compliant, FDA registered facilities for premium quality.
TRUSTED BY THOUSANDS - 4.5-star rating from over 1,300 users proves this is the go-to supplement for mindful professionals.
PRECISION POWERED CALM - Each 200mg scoop delivers clinically effective L-Theanine for focused relaxation without drowsiness.
UNFLAVORED VERSATILITY - Neutral taste blends seamlessly into your favorite drinks or smoothies—customize your calm your way.
BULK SUPPLY ZERO HASSLE - 500 servings per tub means you stay stocked and stress-free for months—no last-minute reorders.

Nutricost L-Theanine Powder offers 200mg of pure L-Theanine per serving, providing 500 servings in a single gluten-free, Non-GMO container. Manufactured under strict NSF, GMP, and FDA standards, this unflavored powder supports relaxation and mental clarity without sedation, making it ideal for busy professionals seeking natural calm and focus.

Specifications

ASIN	B01AAVGK70
ASIN	B01AAVGK70
Age Range Description	Adult
Allergen Information	Gluten Free
Best Sellers Rank	#14,098 in Health & Household ( See Top 100 in Health & Household ) #323 in Blended Vitamin & Mineral Supplements
Brand Name	Nutricost
Color	Red
Container Type	Tub
Customer Reviews	4.5 4.5 out of 5 stars (1,320)
Date First Available	January 7, 2016
Diet Type	Gluten Free
Dosage Form	Capsule
Flavor	Unflavored
Global Trade Identification Number	00810139572190
Is Discontinued By Manufacturer	No
Item Dimensions	3.46 x 3.46 x 3.66 inches
Item Form	Powder
Item Weight	2.4 Ounces
Manufacturer	Nutricost
Manufacturer	Nutricost
Manufacturer Part Number	LTHEAN-500G
Material Features	Gluten Free
Material Type Free	Gluten Free and Non-GMO
Number of Items	1
Primary Supplement Type	L-Theanine
Product Benefits	Gluten Free
Product Dimensions	3.46 x 3.46 x 3.66 inches; 2.4 ounces
Special Ingredients	L-Theanine
Specific Uses For Product	Laboratory
Supplement Formulation	Individual Supplement
Total Servings Per Container	500
UPC	810139572190
Unit Count	3.6 Ounce

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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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TrustScore 4.5 | 7,300+ reviews

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MOP$249

Duties & taxes included

In stock

Sold byAmazon MacauDelivered 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 Macau.

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TrustScore 4.5 | 7,300+ reviews

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