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L-Theanine is a natural amino acid supplement designed to support relaxation, focus, and stress management. Known for promoting calm without drowsiness, L-Theanine helps reduce the effects of stress while supporting mental clarity and sustained concentration. It’s ideal alongside your coffee or during periods of intense focus.
Helps reduce stress and anxiety by supporting a balanced nervous system response.
Promotes a calm yet alert mental state for improved focus and performance.
Supports mental clarity, productivity, and cognitive function throughout the day.
Stay focused, relaxed, and productive with L-Theanine — natural support for stress relief and calm concentration without unwanted side effects.
L Theanine crosses the blood brain barrier and promotes a calm, focused state without reducing alertness. It supports relaxation by influencing key neurotransmitters linked to stress response and mental clarity.
A high dose L Theanine formula designed to relax the mind, support productivity, and help you stay steady under pressure.
Helps take the edge off during stressful moments so you feel calmer and more in control.
Promotes a relaxed state while keeping you alert, making it ideal for daytime use.
Supports sustained concentration and mental clarity, especially during intense work or study sessions.
Helps stabilize mood and reduce emotional overwhelm during demanding days.
Supports a more restful night by helping the nervous system unwind, especially when stress interferes with sleep.
Helps smooth out the jittery side of caffeine while keeping the productivity boost.
A natural way to stay calm, clear, and productive, without feeling sedated.
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Read moreTop customer reviews for L Theanine
High quality products. I buy all my supplements here now. They’re reliable and it helped me get better sleep.
It calms the stress that’s always bubbling inside. When I take it during the day, it helps. I’d like it to help me sleep too, I might try taking it earlier before bed. Testing it out.
Absolute favorite. L Theanine helps me stay calm and focused without making me sleepy. Perfect at the end of the day to quiet my mind.
Big help for relaxation at night when I train late. My sleep is better.
100% satisfaction guaranteed for 30 days. Love it or get your money back.
I’ve been taking NIH supplements for a few months now, and I can already see the difference! My digestion has improved, and I’m sleeping so much better. On top of that, the products are super affordable for the quality you get. I 100% recommend them!
No. L Theanine is known for relaxation without drowsiness, which is why many people use it during the day.
Yes. Many people pair it with coffee to stay focused while reducing jitters and nervousness.
Some people feel it within 30 to 60 minutes. Consistent daily use may produce more noticeable results over time.
Yes, it is designed for regular daily use when taken as directed. If you are pregnant, nursing, taking medication, or managing a condition, consult a health professional first.
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