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L-Theanine 200 mg, Nutricost is a premium dietary supplement formulated to support emotional balance, natural relaxation and cognitive performance. It contains pure L-theanine, a unique amino acid present in green tea leaves (Camellia sinensis), recognized for its effects on the nervous system. L-theanine acts gently on the brain, promoting a state of alert calm, without sedation, and improving cognitive functions by stimulating alpha brain waves.
Modern research has confirmed the benefits of L-theanine in supporting mental clarity, reducing stress and anxiety, improving quality sleep and optimizing cognitive functions. Each Nutricost capsule provides 200 mg of L-theanine, an effective and safe dose to support relaxation and mental vitality.
L-theanine is known for its ability to induce a state of calm without causing drowsiness. It works by increasing alpha wave activity in the brain, associated with deep relaxation and enhanced attention. Benefits include:
• Reducing psychological tension and agitation states.
• Improving adaptation to daily stress.
• Creating a state of natural relaxation, beneficial for mental health.
Through these effects, L-theanine becomes an ally for people facing intense stress or those who desire better inner balance.
One of L-theanine's greatest advantages is its ability to enhance concentration without excessive stimulating effects. It can be used for:
✅ Increasing concentration capacity during intellectual activities.
✅ Supporting sustained attention in demanding tasks.
✅ Mental clarity and clear thinking.
These benefits make L-theanine a preferred supplement for students, professionals and people who desire high cognitive performance in a natural way.
Although not a sedative, L-theanine improves sleep quality by inducing a state of relaxation before bedtime and by reducing anxiety. Thus, it helps with:
• Easier falling asleep and more restful sleep.
• Reducing nighttime awakenings and stress-associated insomnia.
• Creating a more balanced and healthy sleep routine.
Quality sleep supports daily energy, immunity and general health.
Emotions are directly influenced by neurotransmitters and stress levels. L-theanine contributes to regulating these through:
✅ Increasing production of GABA, serotonin and dopamine – neurotransmitters involved in well-being.
✅ Reducing anxiety and irritability.
✅ Promoting stable and positive psychological tone.
This effect makes L-theanine a natural solution for maintaining emotional balance and combating the effects of chronic stress.
Studies show that L-theanine has neuroprotective effects by reducing oxidative stress and protecting neurons against deterioration. Among its cognitive effects are:
• Supporting short-term and long-term memory.
• Improving information processing speed.
• Reducing age-associated cognitive decline.
Through these effects, L-theanine contributes to maintaining brain health and supporting long-term cognitive performance.
L-theanine is often paired with caffeine because together they offer a synergistic effect: alert calm and sustainable energy. This combination is recognized for:
✅ Increasing alertness without agitation effects.
✅ Maintaining mental energy without caffeine-associated "crash".
✅ Improving concentration and creativity.
Although the Nutricost supplement contains only pure L-theanine, consumers can benefit from this effect naturally by pairing it with a moderate source of caffeine.
L-theanine also has positive effects on cardiovascular health by regulating blood pressure and supporting blood circulation. Benefits include:
• Reducing blood pressure during stressful periods.
• Improving blood vessel elasticity.
• Supporting long-term heart health.
Besides effects on the nervous system, L-theanine contributes to reducing oxidative stress and inflammation. This helps with:
✅ Neutralizing free radicals and protecting cells.
✅ Reducing inflammation associated with chronic stress.
✅ Strengthening the body's natural defense mechanisms.
L-theanine is an amino acid identified in green tea, consumed for centuries in Asian cultures for its calming and invigorating effects. In Japanese and Chinese tradition, green tea is a symbol of balance between energy and relaxation. L-theanine represents the bioactive component that confers these effects, being available today in concentrated and standardized form, for rapid and safe action.
Each Nutricost capsule provides 200 mg of pure L-theanine, an optimal dose for supporting mental health and relaxation. This concentration ensures:
✅ Proven efficacy in reducing stress and anxiety.
✅ Supporting mental clarity and cognitive capacity.
✅ Improving sleep quality and general well-being.
Through its complex action – relaxing, neuroprotective, antioxidant and cardioprotective – L-theanine contributes to maintaining a general state of health and long-term balance. Among its effects are:
• Reducing the risk of disorders associated with chronic stress.
• Supporting cognitive functions and brain health.
• Maintaining positive mood and daily energy.
• Supporting immune system and cardiovascular health.
Through all these benefits, L-Theanine 200 mg, Nutricost becomes a valuable supplement for those who desire a calm, balanced and performing mind, capable of facing daily challenges.
As a dietary supplement, take 1 capsule per day.
| Nutritional Information | ||
| Serving Size: 1 capsule | ||
| Servings Per Container: 30 | ||
| Amount Per Serving | %DV | |
| L-theanine | 200 mg | * |
| *Daily Value (DV) not established. | ||
Gelatin capsule, rice flour, magnesium stearate (vegetable source), microcrystalline cellulose, silica.
For healthy individuals 18 years and older. Consult a healthcare professional before use if you are pregnant or nursing, taking medications, or have a medical condition. Keep out of reach of children. Do not use if safety seal is broken or missing. Note: Store in a cool and dry place.
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