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L-Theanin für Angstbedingte Schlafprobleme

B

Basierend auf 2 Studien (1 meta-analysis). 2/2 Studien zeigen positive Effekte.

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B

Fazit

L-theanine may help improve sleep when anxiety is a factor, but the specific evidence for this use is limited to just two positive studies.

  • Both studies show positive effects, but the evidence base is small
  • L-theanine promotes relaxation by boosting alpha brain waves without causing drowsiness
  • Found naturally in green and black tea — a familiar and well-tolerated compound
  • Grade B evidence — promising direction but needs more dedicated research

Key Study Findings

Meta-Analysis
Medicinal herbs for the treatment of anxiety: A systematic review and network meta-analysis.
Dose: Various medicinal herbs: Silexan, Kava, Ginkgo biloba, Withania somnifera, Galphimia glauca, Passion vs.: Placebo Wirkung: Silexan MD -3.84 (95% CrI -6.31 to -1.34); Kava MD -2.46 (95% CrI -4.47 to -0.32); Ginkgo biloba MD None

Key Statistics

2

Studien

--

Teilnehmer

Positive

B

Bewertung

Referenced Papers

Dosage & Usage

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

Übliche Dosierungen

sleep:
200-400 mg, 30-60 min before bed

Obergrenze: Not established; generally safe up to 900 mg/day

In der Forschung untersuchte Dosierungen

Dosierung Dauer Wirkung N
Various medicinal herbs: Silexan, Kava, Ginkgo biloba, Withania somnifera, Galphimia glauca, Passion -- Positive --

Beste Einnahmezeit: 30-60 minutes before bed

Safety & Side Effects

Gemeldete Nebenwirkungen

  • Headache
  • Dizziness
  • GI discomfort

Bekannte Wechselwirkungen

  • Blood pressure medications — L-theanine may lower blood pressure
  • Stimulants (caffeine) — may partially counteract stimulant effects
  • Sedatives — potential additive calming effects

Tolerierbare Höchstaufnahmemenge: Not established; generally safe up to 900 mg/day

Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.

Frequently Asked Questions

Does L-Theanin help with Angstbedingte Schlafprobleme?
Based on 2 studies with 0 participants, there is moderate evidence from clinical studies that L-Theanin may support Angstbedingte Schlafprobleme management. Our evidence grade is B (Good Evidence).
How much L-Theanin should I take for Angstbedingte Schlafprobleme?
Studies have used various dosages. A commonly studied range is 200-400 mg, 30-60 min before bed. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of L-Theanin?
Reported side effects may include Headache, Dizziness, GI discomfort. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for L-Theanin and Angstbedingte Schlafprobleme?
We rate the evidence as Grade B (Good Evidence). This rating is based on 2 peer-reviewed studies with 0 total participants. The overall direction of effect is positive.

Related Evidence

FDA-Haftungsausschluss: Diese Aussagen wurden nicht von der Food and Drug Administration bewertet. Die Produkte und Informationen auf dieser Website sind nicht dazu bestimmt, Krankheiten zu diagnostizieren, zu behandeln, zu heilen oder zu verhindern. Die dargestellten Evidenzbewertungen basieren auf unserer Analyse veröffentlichter begutachteter Forschung und stellen keine medizinische Beratung dar. Konsultieren Sie immer Ihren Arzt, bevor Sie mit der Einnahme von Nahrungsergänzungsmitteln beginnen.