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.

Pure L Theanine Powder 100 Grams

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

34874CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

Description

🧠 Elevate your calm, conquer your day.

SLEEP SMARTER - Supports improved sleep quality by naturally encouraging relaxation.
UNMATCHED VALUE - A full 100 grams delivering 500 servings—your daily calm, on your terms.
PURE CLEAN FORMULA - Gluten-free and Non-GMO for the mindful health-conscious professional.
VERSATILE FLAVORLESS - Unflavored powder blends seamlessly into coffee, smoothies, or your favorite drink.
STRESS LESS ACHIEVE MORE - Clinically dosed 200mg L-Theanine to promote calm focus and reduce anxiety.

Nutricost Pure L-Theanine Powder offers a potent 200mg dose per serving in a 100-gram bottle, providing 500 servings of a gluten-free, non-GMO amino acid supplement designed to reduce stress and improve sleep quality. Perfect for professionals seeking natural mental clarity and relaxation without compromising dietary standards.

Specifications

ASIN	B01AAVGK70
Age Range Description	Adult
Best Sellers Rank	#21,163 in Health ( See Top 100 in Health ) #535 in Multiple Vitamin-Mineral Combination Supplements
Brand	Nutricost
Brand Name	Nutricost
Color	red
Container Type	Bottle
Customer Reviews	4.6 out of 5 stars 1,286 Reviews
Diet Type	Gluten Free
Dosage Form	Powder
Flavor	Unflavored
Flavour	Unflavored
Global Trade Identification Number	00810139572190
Item Dimensions	8.8 x 8.8 x 9.3 centimeters
Item Form	Powder
Item Weight	2.4 Ounces
Item dimensions L x W x H	8.8 x 8.8 x 9.3 centimeters
Item form	Powder
Item weight	2.4 Ounces
Manufacturer	Nutricost
Manufacturer Part Number	LTHEAN-500G
Material Features	GMO Free, Gluten Free
Material Type Free	en_AE
Number of Items	1
Primary Supplement Type	L-Theanine
Primary supplement type	L-Theanine
Product Benefits	gluten free
Special Ingredients	Amino Acid
Specific Uses For Product	Laboratory
UPC	810139572190

Reviews

る**い

頭のもやもやが消える

朝や夜に鬱が酷いので飲んでみました。躁鬱で気分の波が激しいので普段からそれに疲れていたのですが、飲んでしばらくしたら不安感や脳みそのもやもやとした悩みとかがサーってなくなってすごく気分がいいです！！リピートしたい！

8.07.2026

R**C

Works well

So far this stuff helps, I actually notice a difference when taking it. Definitely get a boost especially in my coffee with some maca. Helps with blood flow to fun areas of the body as well as for exercise.

23.07.2026

J**O

FUNCIONA

Se te para machin

18.01.2026

O**N

Good product

Nice product

12.05.2026

C**A

Calms you

It tastes sweet and savory almost like a matcha flavor. It works well and gives you a smooth calming effect

16.07.2026

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

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34874CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago