L-Theanine के लिए Sleep-Related Cognitive Impairment

Research suggests L-theanine supports sleep quality without sedation and may improve next-day cognitive performance through enhanced sleep architecture.

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निष्कर्ष

Research suggests L-theanine supports sleep quality without sedation and may improve next-day cognitive performance through enhanced sleep architecture.

Key Study Findings

Randomized Controlled Trial 4.3 weeks Single-blind

Assessing brain function in stressed healthy individuals following the use of a combination of green …

Dose: None बनाम: placebo Outcome: Brain response to stress and quality of life प्रभाव: None p = 0.001

जनसंख्या: Chronically stressed but healthy subjects

Randomized Controlled Trial n=46 10 weeks Double-blind

L-theanine in the adjunctive treatment of generalized anxiety disorder: A double-blind, randomised, placebo-controlled trial.

Dose: 450-900 mg L-theanine daily बनाम: Placebo प्रभाव: None p=0.73 (anxiety), p=0.35 (inso

Controlled Clinical Trial n=20 8 weeks Open-label

Effects of chronic l-theanine administration in patients with major depressive disorder: an open-label study.

Dose: 250 mg/day बनाम: Placebo Outcome: HAMD-21 depression score, cognitive function प्रभाव: None pp0.007

जनसंख्या: Patients with major depressive disorder

Key Statistics

अध्ययन

400

प्रतिभागी

↑

Positive

ग्रेड

Referenced Papers

Assessing brain function in stressed healthy individuals following the use of a combination of green tea, Rhodiola, magnesium, and B … Other

Frontiers in nutrition 2023 3 उद्धरण

L-theanine in the adjunctive treatment of generalized anxiety disorder: A double-blind, randomised, placebo-controlled trial. RCT

Journal of psychiatric … 2019 46 उद्धरण

Effects of chronic l-theanine administration in patients with major depressive disorder: an open-label study. Other

Acta neuropsychiatrica 2017 84 उद्धरण

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

सामान्य रूप से उपयोग की जाने वाली खुराकें

general:: 100-200 mg/day
withcaffeine:: 200 mg L-theanine + 100 mg caffeine

अधिकतम सीमा: 900 mg/day (no adverse effects observed in studies)

अनुसंधान में अध्ययन की गई खुराकें

खुराक	अवधि	प्रभाव	N
None	4.3 weeks	Positive	--
450-900 mg L-theanine daily	10 weeks	Neutral	46
250 mg/day	8 weeks	Positive	20

सेवन का सर्वोत्तम समय: Morning or as needed; rapid onset (30-60 minutes)

Safety & Side Effects

रिपोर्ट किए गए दुष्प्रभाव

⚠ Generally very well-tolerated
⚠ Mild drowsiness in sensitive individuals
⚠ Mild headache (rare)

ज्ञात अंतःक्रियाएँ

● Antihypertensive drugs (may enhance blood pressure lowering)
● Stimulant medications (counteracts some stimulant side effects)
● Sedative medications (additive calming effects)

सहनीय अधिकतम सेवन: 900 mg/day (no adverse effects observed in studies)

कोई भी सप्लीमेंट शुरू करने से पहले हमेशा अपने स्वास्थ्य सेवा प्रदाता से परामर्श करें।

Frequently Asked Questions

Does L-Theanine help with Sleep-Related Cognitive Impairment?

Based on 6 studies with 400 participants, there is limited but promising evidence that L-Theanine may support Sleep-Related Cognitive Impairment management. Our evidence grade is C (Some Evidence).

How much L-Theanine should I take for Sleep-Related Cognitive Impairment?

Studies have used various dosages. A commonly studied range is 100-200 mg/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of L-Theanine?

Reported side effects may include Generally very well-tolerated, Mild drowsiness in sensitive individuals, Mild headache (rare). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for L-Theanine and Sleep-Related Cognitive Impairment?

We rate the evidence as Grade C (Some Evidence). This rating is based on 6 peer-reviewed studies with 400 total participants. The overall direction of effect is positive.

Related Evidence

इसके लिए अन्य सामग्री Sleep-Related Cognitive Impairment

Melatonin C Ashwagandha C Magnesium L-Threonate C Creatine C

L-Theanine अन्य स्वास्थ्य स्थितियों के लिए

Attention & Focus Difficulties B Anxiety-Related Cognitive Impairment C

संक्षिप्त निष्कर्ष

Research suggests L-theanine supports sleep quality without sedation and may improve next-day cognitive performance through enhanced sleep architecture.

Evidence Strength52%

Moderate confidence

अध्ययन विश्लेषण

RCT (1)Meta (0)Other (5)

विकल्पों की तुलना करें

देखें कि इस स्वास्थ्य स्थिति के लिए अन्य सामग्री की तुलना कैसे है।

इसके लिए सभी सामग्री देखें Sleep-Related Cognitive Impairment

अधिक जानें

FDA अस्वीकरण: इन कथनों का Food and Drug Administration द्वारा मूल्यांकन नहीं किया गया है। इस वेबसाइट पर उत्पादों और जानकारी का उद्देश्य किसी बीमारी का निदान, उपचार, इलाज या रोकथाम नहीं है। प्रस्तुत साक्ष्य ग्रेड प्रकाशित पीयर-रिव्यूड अनुसंधान के हमारे विश्लेषण पर आधारित हैं और चिकित्सा सलाह नहीं हैं। कोई भी सप्लीमेंट शुरू करने से पहले हमेशा अपने स्वास्थ्य सेवा प्रदाता से परामर्श करें।