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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Nutricost L-Theanine Powder, 100 Gram, 500 Servings, Neutral Cost - Gluten Free & Non-GMO

Product ID: 732780521

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Details

Brand
Nutricost
Flavor
Unflavored
Primary Supplement Type
L-テアニン
Unit Count
100.0 Grams
Item Form
Powder
Item Weight
2.4 Ounces

🥄200mg precise serving

🧪Lab tested purity

⚖️100g pure powder

Description

🧠 Elevate focus and calm with every scoop – don’t miss out on your mental edge!

PURE POTENT - 100 grams of clean, high-quality L-Theanine powder for maximum effect
MADE IN THE USA - Crafted under strict quality standards for your peace of mind
EASY INTEGRATION - Mixes effortlessly with water or your favorite beverage for seamless daily use
PRECISION DOSING - Each 200mg scoop ensures consistent, effective daily intake
SCIENTIFICALLY VERIFIED - Lab tested to guarantee purity and potency you can trust

Nutricost Pure L-Theanine Powder delivers 100 grams of lab-tested, pure L-Theanine designed to boost alertness and promote calm focus. Each 200mg serving is easy to measure with the included scoop, made in the USA to ensure premium quality. Perfect for professionals seeking a natural cognitive edge.

Specifications

Package Dimensions	9.5 x 9.4 x 9.4 cm; 68.04 g
Target Age Range Description	Adult
Target Gender	Unisex
Color	Multicolor
Main Ingredients	L-Theanine

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