Suntheanine® is a registered trademark of Taiyo International, Inc.

Green tea has been around for centuries and pioneers in the science of green tea found this relaxation effect to be due to the presence of the amino acid L-theanine - found almost exclusively in tea.

Clinical research suggests that 50 mg – 200 mg Suntheanine stimulates activity in the brain known as alpha waves, which are associated with a relaxed, but alert mental state.

Suntheanine is the trade name for a patented pure form of L-theanine. Suntheanine is not an extract of green tea, but rather is produced via a fermentation process that mimics the natural process in green tea leaves, resulting in a 100% pure L-isomer-theanine.

Learn more: All about SuntheanineSleep and SuntheanineAnti-Stress effect of theanine; Effects of l-theanine on attention and reaction time response.

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Photo by Kevin Ma / Unsplash

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