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Doctor's Best, Suntheanine L-Theanine, 150 mg, 90 Veggie Caps

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Doctor's Best, Suntheanine L-Theanine, 150 mg, 90 Veggie Caps

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Doctor's Best, Suntheanine L-Theanine, 150 mg, 90 Veggie Caps

In Stock
  • Expiration Date: 08/2019
  • Shipping Weight:
    0.13 lbs
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  • Product Code: DRB-00197
  • UPC Code: 753950001978
  • Package Quantity: 90 Veggie Caps
  • Dimensions:
    4 x 2.1 x 2.1 in, 0.1 lbs
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Save $9.99 when you purchase these items today for only $66.47
Product Overview


  • Science-Based Nutrition
  • Dietary Supplement
  • Helps Promote Relaxation without Drowsiness
  • Helps Reduce Stress and Tension
  • Vegan

Suntheanine is the premier, patented form of the amino acid L-theanine. Suntheanine is the purest form of L-theanine on the market today. L-theanine is an amino acid derived from green tea that is responsible for the relaxation-inducing effect of tea consumption.

  • Helps promote a relaxed state without drowsiness.
  • Helps ease stress and everyday nervous tension.
  • Helps promotes a healthy mood and alertness.

Suggested Use

Suggested Adult Use: Take 1 capsule daily away from food, or as recommended by a nutritionally-informed physician.

Other Ingredients

Microcrystalline cellulose, modified cellulose (vegetarian capsule)

Non-GMO, gluten-free, vegan


Store in a cool dry place.

Supplement Facts
Serving Size: 1 capsule
Serving Per Container: 90 servings
  Amount Per Serving %Daily Value
Suntheanine L-theanine 150 mg
†Daily Value not established.
iHerb Customer Reviews

Worked great and Worth trying, if you would like a Rebate, just click the Rebate (GREEN) to show the lifetime PR0M0

Posted by Rebate on Sep 06, 2017 | Verified Purchase

Great product, for coffee lover that want to sleep as well ...

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A great product.

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

Works fine for me.

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I am surprised that it worked

Posted by iHerb Customer on Aug 18, 2017 | Verified Purchase

Day 2 noticed a increase in my anxiety and felt so calm and content. Here's the added bonus, I have the stats to prove it from my fitbit my hard rate has been around 100 for so long when i'm stressed. Now its 80 bpm most of the day!!!!!

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Low Cost L-Theanine

Posted by iHerb Customer on Aug 05, 2017 | Verified Purchase

I Don t recodnise any difrence i et these 600mg-1200mg for day and i have adhd/add... Try difrent product next...

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Not Bad

Posted by iHerb Customer on Aug 01, 2017 | Verified Purchase

I can see some improvements when I start reading. It works fine with bulletproof coffee.

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