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Source Naturals, L-Theanine, 200 mg, 60 Capsules

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Source Naturals, L-Theanine, 200 mg, 60 Capsules

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Source Naturals, L-Theanine, 200 mg, 60 Capsules

In Stock
  • Expiration Date: 01/2021
  • Shipping Weight:
    0.12 lbs
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  • Product Code: SNS-01646
  • UPC Code: 021078016465
  • Package Quantity: 60 Capsules
  • Dimensions:
    2 x 2 x 3.5 in, 0.1 lbs
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Combo Offer!
Save $10.00 when you purchase these items today for only $68.94
Product Overview


  • Helps Reduce Anxiety
  • Dietary Supplement

L-Theanine is a unique amino acid found almost exclusively in the tea plant (Camellia sinensis) and is the primary ingredient contributing to the unusual taste of green tea. Animal studies have shown that L-theanine crosses the blood brain barrier, increases dopamine and GABA levels in the brain and inhibits the stimulatory properties of caffeine. Human studies have shown that taking L-theanine results in the emission of brain waves associated with a state of relaxation.

Suggested Use

1 capsule 1 to 2 times daily with a glass of water.

Other Ingredients

Microcrystalline cellulose, gelatin (capsule), colloidal silicon dioxide and magnesium stearate.

Hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives or artificial color, flavor or fragrance.


Not for use by infants, children or women who are pregnant, may become pregnant or breastfeeding. If you are taking any antidepressant drugs, such as MAOI's or SSRI's, consult your health care professional before taking this product.

Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.

Supplement Facts
Serving Size: 1 Capsule
  Amount Per Serving %DV
L-Theanine 200 mg
†Daily Value not established.
iHerb Customer Reviews

Great for anxiety and depression!

Posted by iHerb Customer on Jul 25, 2017 | Verified Purchase

I've been taking 2 of these a night for almost a year and swear by them for the relief of anxiety and depression. They don't make me feel drowsy or hyperactive, they just gently make me feel better. It can take a week or two for them to take full effect. I haven't noticed any side effects and don't see myself ever stopping them unless I have to. I take them along with 2 x L-Tryptophan, also from source naturals.

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Great product

Posted by iHerb Customer on Dec 25, 2016 | Verified Purchase


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Nice product

Posted by iHerb Customer on Dec 01, 2016 | Verified Purchase

Helps to combat anxiety, expecially some heart palpitations due to anxiety

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Great Stuff!!!

Posted by iHerb Customer on Aug 19, 2016 | Verified Purchase

Awesome stuff! Really keeps anxiety under control. I've tried a couple of different types but this works best for me. Highly recommend it for anyone wishing to slow down those racing thoughts!!

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not bad

Posted by iHerb Customer on Feb 08, 2016 | Verified Purchase

Clam you in some what

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