Relax Without Drowsiness

Suntheanine® improves focus, attention, mental clarity and learning performance and improves sleep quality.*

Calm

Promotes an alert state of relaxation without drowsiness*

Focus

Improve focus without the negative side effects of caffeine*

Clarity

Enhance attention and concentration*

Purity

Clinically researched and patented pure form of L-theanine

100% Pure L-Isomer-theanine

Suntheanine® is produced via an enzymatic fermentation process that mimics the natural process in green tea leaves resulting in a 100% pure L-isomer-theanine.

Suntheanine® is protected by U.S. and International patents and is backed by more than 40 clinical studies.

Suntheanine nongmo
Suntheanine Kosher
Suntheanine hallal
informed ingredient

What the Experts Say

“Stress affects so many areas of your life, from sleep to sports performance to energy levels. It’s clear your mental health drives your physical health. Suntheanine® helps you settle into a more positive cycle: sleeping better at night leads to more daytime energy which leads to more quality sleep and continued productive days.”
Suntheanine® replaces my 2 p.m. cup of coffee, giving me the power of coffee without the jitters. A calm, focused and alert attention is the type of energy we all desire: energy that makes us more efficient, not frazzled and distracted.”
Shawn Talbott

Shawn Talbott, PhD
Psychonutritionist

Bryce Wylde Profile Picture

Bryce Wylde, B.Sc. Hons. (BioPsyc), DHMHS
Alternative medicine expert

“Stress affects so many areas of your life, from sleep to sports performance to energy levels. It’s clear your mental health drives your physical health. Suntheanine® helps you settle into a more positive cycle: sleeping better at night leads to more daytime energy which leads to more quality sleep and continued productive days.”
Shawn Talbott

Shawn Talbott, PhD
Psychonutritionist

Suntheanine® replaces my 2 p.m. cup of coffee, giving me the power of coffee without the jitters. A calm, focused and alert attention is the type of energy we all desire: energy that makes us more efficient, not frazzled and distracted.”
Bryce Wylde Profile Picture

Bryce Wylde, B.Sc. Hons. (BioPsyc), DHMHS
Alternative medicine expert

See what Suntheanine® is all about.

A blog for those who want to know

How to help children with ADHD sleep through the night

How to help children with ADHD sleep through the night

Children with ADHD commonly find it hard to fall asleep at night, and stay asleep. Some may become fidgety and aggravated in the evenings as their medication wears off. Others may simply have a hard time shutting down their active minds just because it’s bedtime.  A...

How to quiet a racing mind

How to quiet a racing mind

At one time or another, you may wish you could just flip a switch to quiet your mind so you can fall asleep. Instead, you’re awake in a quiet room, with nothing distracting you from replaying the day’s events, planning tomorrow’s agenda or dwelling on something else...

10 quick ways to calm your frazzled nerves

From causing headaches and insomnia to overeating, social withdrawal and inability to focus, heightened stress can play havoc on your health, mood and productivity. Because April is National Stress Awareness Month, we created this list of our favorite quick...

How will Suntheanine make me feel?

How will Suntheanine make me feel?

Suntheanine starts working within 30 minutes to help take the edge off stress and tension.  Because Suntheanine works by helping your mind produce more calming alpha brain waves, you won’t feel a big difference if you’re already feeling relaxed. But as one long-time...

How much Suntheanine should you take?

How much Suntheanine should you take?

When you’re in the midst of a stressful day, you may easily lose focus and start feeling frazzled. Sugar and caffeine in energy drinks may offer a quick fix, but those are stimulants. Suntheanine works differently. It safely and effectively helps you stay calm by...

How Suntheanine helps you find your inner calm

How Suntheanine helps you find your inner calm

Americans are stressed! From being crunched for time to feeling burdened with uncertainties, the resulting tension can throw you off your game during the day and disrupt your sleep at night.  Suntheanine may help you find your inner calm, enabling you to focus on your...

What are alpha brain waves and how can you produce more?

What are alpha brain waves and how can you produce more?

Feeling stressed and unable to focus may seem like an inevitable part of everyday life. But even during your most tension-filled days, you may be able to soothe your mind by increasing your brain’s alpha wave production. Brain waves are electrical impulses, broken...

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