OrganiMAXX.
OrganiMAXX L-Theanine Extra Strength 300 MG Capsules
OrganiMAXX L-Theanine Extra Strength 300 MG Capsules
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OrganiMAXX L Theanine 120 Capsules
OrganiMAXX L-Theanine Capsules deliver the cleanest and most potent dose of L-Theanine on the market. Each capsule provides a full 300mg of pure L-Theanine—making it the highest-dose single-capsule option available. Unlike other brands that underdose L Theanine at 200–250mg or require multiple capsules to reach effective levels, our formula is built around human clinical data—not marketing trends or cost-cutting margins. Our high-strength formula is built for those seeking calm focus, stress balance, and sleep support without drowsiness. One capsule delivers a science backed 300mg dose in a true one-a-day capsule serving, and with 120 capsules per bottle, you get a clean, long-lasting supply that’s easy to take and delivers superior value per milligram compared to anything else on the market.
L-Theanine is a naturally occurring amino acid found in green tea leaves that promotes a calm, balanced mental state by supporting alpha brainwave activity and helping regulate the body’s stress response. This helps reduce mental tension, improve focus, and maintain steady attention during the day, while also supporting relaxation in the evening. By calming an overactive mind without sedation, L-Theanine can help you unwind, fall asleep more easily, and experience more restful sleep. It’s also commonly used alongside caffeine to smooth its effects—reducing jitteriness while maintaining clean, controlled energy and mental clarity.
Ingredients
Ingredients
Medicinal Ingredients(per capsule):
L-Theanine 300 mg
Non-Medical Ingredients(capsule) Microcrystalline Cellulose, Magnesium Stearate.
L-Theanine Benefits
L-Theanine Benefits
Promotes Relaxation Without Drowsiness
Supports a calm, balanced mental state by increasing alpha brainwave activity—helping you relax without feeling sedated.
Reduces Stress and Anxiety
Helps regulate key neurotransmitters involved in the body’s stress response, easing feelings of tension and mental overwhelm.
Enhances Focus and Mental Clarity
By calming overstimulation, L-Theanine allows for improved concentration, sharper thinking, and sustained attention.
Supports Balanced Mood
Helps maintain healthy levels of serotonin and dopamine, supporting emotional stability and overall well-being.
Improves Sleep Quality
Promotes relaxation and helps quiet an overactive mind, making it easier to fall asleep and achieve more restful sleep.
Smooths the Effects of Caffeine
Commonly used alongside caffeine to reduce jitteriness and overstimulation while maintaining clean, focused energy.
Supports Cognitive Performance Under Stress
Helps maintain mental performance and clarity during periods of high stress, workload, or pressure.
Encourages Calm Energy
Provides a unique combination of relaxation and alertness—helping you feel calm yet focused throughout the day.
Supports Nervous System Balance
Helps regulate excitatory and calming signals in the brain, promoting a more stable and balanced nervous system response.
Non-Sedative Mental Support Delivers calming benefits without impairing alertness, making it suitable for both daytime productivity and evening relaxation.
Natural Product Number (NPN) & Certifications
Natural Product Number (NPN) & Certifications
This product has been granted a licensed Natural Product Number by the Natural and Non-Prescription Health Products Directorate (NNHPD) of Health Canada
Natural Product Number (NPN): 80145767
External Links: Product license and active NPN's can be found here in the official Health Canada Natural and Non-Prescription Health Products Directorate (NNHPD) database.
How To Use
How To Use
Adults take 1 capsule 1 time per day.
Delivery Times
Delivery Times
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Canada Standard: 2-5 Business Days
Canada Express: 2-3 Business Days
United States Standard: 5-10 Business Days
Current Promotions
Current Promotions
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15% Off Total Orders Over $150.00 CAD
**Promotional Discounts Automatically Applied At Checkout
The Science of L-Theanine Supplements
The Science of L-Theanine Supplements
L-Theanine is a naturally occurring amino acid most commonly found in green tea, and it is widely studied for its ability to promote a calm, focused mental state without causing drowsiness. Its primary effects come from how it interacts with the brain’s signaling systems, particularly by influencing alpha brainwave activity. Alpha waves are associated with a relaxed but alert state—similar to what you experience during meditation or deep focus. By increasing alpha brainwave activity, L-Theanine helps reduce mental tension while maintaining clarity and attention.
At the same time, L-Theanine supports balance in key neurotransmitters such as serotonin, dopamine, and GABA. These brain chemicals play an important role in mood, stress response, relaxation, and cognitive performance. By helping regulate these systems, L-Theanine can reduce feelings of stress and anxiety while supporting a more stable mood and improved focus. Unlike sedative compounds, it does this without slowing down brain function, which is why it’s commonly used during the day for productivity as well as in the evening for relaxation.
L-Theanine also has a unique ability to smooth out the effects of caffeine. Caffeine works by stimulating the central nervous system, which can sometimes lead to jitteriness, overstimulation, or a crash. L-Theanine helps counterbalance this by promoting a calmer, more controlled state of alertness—allowing you to experience the benefits of caffeine, such as energy and focus, without the unwanted side effects. This combination is often used to enhance mental performance in a more stable and sustained way.
In addition to its effects on focus and stress, L-Theanine can also support sleep quality by calming an overactive mind. Rather than acting as a traditional sleep aid that induces sedation, it helps prepare the brain for rest by reducing mental noise and promoting relaxation. This can make it easier to fall asleep and improve overall sleep quality, particularly for those whose sleep is disrupted by stress or racing thoughts. Overall, L-Theanine works by helping the brain and nervous system shift into a more balanced state—supporting calmness, focus, and recovery without compromising alertness.

Top Tier Manufacturing Facilities
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With a strict nut-free policy, our facility ensures every supplement produced is safe for nut-sensitive individuals
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We not only exclude gluten from products but also from our production lines, safeguarding your health at every step
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Our facility proudly upholds a soy free environment, making our supplements a trustworthy choice for those avoiding soy