Suntheanine® L-Theanine: Deep Mental Relaxation, Cognitive Clarity and Emotional Balance – Advanced Supplement for Stress, Concentration and Optimal Neuro-Mental Function

Suntheanine® L-Theanine, 100 mg, Swanson is a premium dietary supplement containing high-purity L-theanine, in the patented Suntheanine® form, recognized for superior bioavailability and consistent efficacy. L-theanine is a natural amino acid traditionally present in green tea leaves (Camellia sinensis), known for its unique ability to induce a state of deep calm without causing sedation or decreased alertness.

In a modern context marked by chronic stress, mental overload and psychological fatigue, nervous system balance becomes essential for maintaining overall health. L-theanine acts directly on brain activity, supporting relaxation, mental clarity, cognitive function and the body's adaptation to stress. The Suntheanine® formula offers a standardized, stable and predictable source of L-theanine, ideal for supporting neuro-mental functions.

Detailed Benefits of Suntheanine® L-Theanine

• Inducing a state of mental relaxation without sedation

One of the most appreciated effects of L-theanine is its ability to induce deep relaxation without affecting alertness. This effect is due to direct influence on alpha brain waves, associated with calm vigilance, meditation and relaxed concentration.

L-theanine contributes to:
- reducing mental tension
- calming neuronal hyperactivity
- inducing a state of inner peace

✅ Relaxation without drowsiness
✅ Rapid and natural mental calm
✅ State of emotional balance

• Supporting cognitive function and mental clarity

Unlike sedative substances, L-theanine improves cognitive performance by optimizing neuronal communication. It supports attention, concentration capacity and clarity of thought, especially under conditions of stress or intellectual overload.

Through its neurochemical mechanisms, L-theanine:
- improves focus
- supports information processing
- maintains long-term mental clarity

✅ Improved concentration
✅ Stable cognitive clarity
✅ Sustained mental performance

• Regulating the body's response to stress

Chronic stress has a major impact on the nervous system, promoting emotional and cognitive imbalances. L-theanine helps regulate the stress response by influencing neurotransmitters involved in calm and well-being.

It contributes to:
- reducing nervous system hyperactivation
- decreasing "fight or flight" reactions
- maintaining an adaptive stress response

✅ Better stress adaptation
✅ Reducing psychological tension
✅ Increased emotional stability

• Supporting neurotransmitter balance

L-theanine influences the levels and activity of essential neurotransmitters, such as GABA, dopamine and serotonin, which play a central role in regulating mood, motivation and well-being.

Through this mechanism, L-theanine:
- supports a state of calm and safety
- promotes balanced mood
- contributes to emotional harmony

✅ Neurochemical balance
✅ Supporting well-being
✅ Mood regulation

• Reducing mental overload and cognitive fatigue

Mental fatigue frequently occurs following intense intellectual activities, multitasking and constant exposure to stimuli. L-theanine helps reduce this overload, allowing the brain to function more efficiently.

Benefits include:
- reducing the feeling of "cluttered mind"
- supporting mental endurance
- maintaining cognitive energy

✅ Reducing psychological fatigue
✅ Prolonged mental clarity
✅ Efficient brain function

• Supporting sleep quality through neuronal relaxation

Although not a sedative, L-theanine contributes to improving sleep quality by reducing mental tension and facilitating the transition to a state of deep relaxation. It helps calm excessive brain activity, often responsible for relaxation difficulties.

L-theanine supports:
- relaxation before sleep
- reducing repetitive thoughts
- more peaceful and restful sleep

✅ Deep neuronal relaxation
✅ Supporting natural sleep rhythm
✅ Efficient mental recovery

• Natural synergy with brain concentration functions

A distinctive aspect of L-theanine is its ability to simultaneously support calm and concentration. This combination makes it ideal for activities requiring sustained attention, creativity and emotional control.

This synergy allows:
- concentration without tension
- consistent mental performance
- balance between relaxation and vigilance

✅ Active calm
✅ Stable focus
✅ Improved emotional control

• Supporting long-term nervous system health

By reducing neuronal oxidative stress and supporting neurotransmitter balance, L-theanine contributes to maintaining nervous system health. A balanced nervous system is essential for optimal functioning of the entire body.

Benefits include:
- functional neuronal protection
- supporting mental adaptability
- maintaining cognitive health

✅ Nervous system support
✅ Neuro-mental adaptability
✅ Long-term functional balance

• Suntheanine® – standard of purity and efficacy

Suntheanine® is the patented form of L-theanine used in this product, obtained through a controlled process that guarantees purity, stability and consistent efficacy. This form is structurally identical to natural L-theanine from green tea, but offers a superior absorption profile and predictable results.

By using Suntheanine®, the formula ensures:
- high consistency
- optimal bioavailability
- proven efficacy

Through its complex effects on mental relaxation, concentration, stress and emotional balance, Suntheanine® L-Theanine, Swanson represents advanced support for neuro-mental health. This formula is designed to support inner calm, clarity of thought and optimal brain function in a natural, balanced way adapted to modern life demands.

Directions for Use

As a dietary supplement, take one vegetarian capsule once or twice daily with water before meals.

Other Ingredients

Brown rice flour, hypromellose (vegetarian capsule), magnesium stearate.

Warnings

For adults only. Consult your healthcare provider before using this product or any other product if you are pregnant or nursing, taking medication or have a medical condition.
Keep out of reach of children. Do not use if seal is broken. Store in a cool, dry place.