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Jarrow Formulas, Theanine 100, 100 mg, 60 Capsules

By Jarrow Formulas

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  • Product Code: JRW-15050
  • UPC Code: 790011150503
  • Package Quantity: 60 Capsules
  • Dimensions: 3.9 x 2.1 x 2.1 in, 0.1 lbs (0.05 kg)
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Product Overview

  • Neurologically-Active Amino Acid
  • Promotes Relaxation
  • Supports Learning Ability
  • Suntheanine
  • Dietary Supplement

Theanine is a unique amino acid found almost exclusively in green tea that exerts beneficial effects on brain metabolism. Theanine induces relaxation without causing drowsiness, as measured by increased generation of alpha-waves. Theanine may improve learning ability and sensations of pleasure by affecting dopamine and serotonin neurotransmitters in the brain. Also, Theanine exerts protective effects on the brain by mitigating glutamate toxicity.

Jarrow Formulas Theanine is made enzymatically from amino acids and is identical to the theanine found in green tea.

Suggested Use

Take 1 capsule 1 or 2 times per day with water or juice on an empty stomach or as directed by your qualified healthcare professional.

Other Ingredients

Cellulose, magnesium stearate (vegetable source) and silicon dioxide. Capsule consists of gelatin.

No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.


Note: If you have a medical condition, are pregnant, lactating, trying to conceive, under the age of 18, or taking medications, consult your healthcare professional before using this product.

Keep out of the reach of children.

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Supplement Facts
Serving Size: 1 Capsule
Serving Per Container: 60
  Amount Per Serving % DV
L-theanine 100 mg *
* Daily Value not established.

iHerb Customer Reviews

5 Stars
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1 Stars

Best EVER.

Posted by Reviewer3017557 on Oct 28, 2008

For anyone with any degree of social anxiety, get off the Xanax and try theanine. It works! I used to hate going out, being around people, and interacting, but now it's a lot easier and I no longer have the anxiety that kept me from doing the things I wanted.

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23 people found the following review helpful

What a HUGE difference!

Posted by Reviewer2849888 on Jan 20, 2009

Since starting on theanine, I've seen my energy level soar and I feel great! I have fibromyalgia, and this supplement has done more for me than any other I've tried. I now feel like my old self - something I haven't felt for several years.

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13 people found the following review helpful

Calm, Focused and Beautiful Sleep

Posted by Reviewer1147183 on Mar 08, 2008

During the day. I'm calm and focused. My sleep at night is deep and restful.

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13 people found the following review helpful

Works great, great price!

Posted by Reviewer1639440 on Jan 26, 2009

Good ol' calming theanine at a great price, and reliable service from iherb as usual. I recommend this theanine to anyone i know that complains about stress or being anxious.

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9 people found the following review helpful


Posted by Reviewer1781073 on Oct 14, 2009

I take one capsule first thing in the morning, upon awaikening. It's better on an empty stomach. And my ability to work and concentrate is high, though I feel relax, not tense. Its one of these rare products that make a difference.

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9 people found the following review helpful

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