L-Theanine - Simply an Amino Acids in Tea Leaves

L-Theanine: What Is It?

Tea is an ancient beverage that has been consumed for thousands of years throughout numerous cultures and civilizations. These societies understood that tea had medicinal effects, which science has now proven. L-Theanine is simply one of the amino acids that is contained in tea leaves and a few select mushrooms.

Many people have turned to L-theanine as a supplement because it is believed to provide you the with the relaxing and mood lifting benefits of a cup of tea. Those are just two of the many L-Theanine benefits, many which are being proved by medical studies. Those benefits include stress relief, better cognitive focus, improved sleep, immune system support, and potential weight loss booster.

L-Theanine dosage is open-ended. Although there is no clear dosage criteria, the compound is not likely to cause an overdose with the FDA classifying it as ‘generally recognized as safe.’

Zen Supplements – L-Theanine

In order to provide you with the absolute highest quality, we sourced our L-Theanine from Taiyo International, the world leaders in research and manufacturing of Theanine. This patented SunTheanine formula is the leading brand that has been used in the majority of all clinical studies and has been shown to have numerous profound effects. Benefits of a cup of tea, in a convenient, easy to swallow form.

Features and Benefits:

  • 100mg of SunTheanine in each vegetarian capsule
  • Patented SunTheanine formula
  • Sourced from Japan by the world leading manufacturer, Taiyo International
  • Contains NO sugar, salt, dairy, yeast, wheat, gluten, corn, soy, preservatives, artificial colors or flavors

Buy Zen Supplements – L-Theanine here


NIH breakdown of scientific studies done on L-theanine’s relation to cognitive function


Technical Information and scientific studies on L-theanine


Stress-related studies done on L-Theanine


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