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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: Aug 2019
  • Shipping Weight:
    0.06 kg
    Switch to Imperial units
  • Product Code: DRB-00197
  • UPC Code: 753950001978
  • Package Quantity: 90 Veggie Caps
  • Dimensions:
    10.2 x 5.3 x 5.3 cm , 0.05 kg
    Switch to Imperial units
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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

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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It helps me to cool down

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

I get calmer wihout beeing tired . I like it!

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The best form of L-Theanine. Ever.

Posted by iHerb Customer on Jul 21, 2017 | Verified Purchase

I have anxiety. I use this and it helps me significantly. I feel grounded, calmer, relax, and at times, tension free. Amazing product from Dr's Best. Help me sleeps better too. A work of wonders.

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Posted by iHerb Customer on Jul 20, 2017 | Verified Purchase

great for sleep, and for focus in combination with caffeine. You can also copy and paste my user name at checkout for $$ off!

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