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SleepCited

Kava
Kava

herb

Também conhecido como: Piper methysticum, Kava kava, Awa

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About

Kava (Piper methysticum) contains kavalactones that demonstrate anxiolytic and muscle-relaxant properties through modulation of GABA-A receptors and voltage-gated sodium channels. Clinical trials support its use for anxiety reduction, which may indirectly improve sleep onset. Consult your healthcare provider regarding hepatotoxicity concerns.

How It Works

Kavalactones (kavain, methysticin) enhance GABA-A receptor binding; block voltage-gated sodium and calcium channels; reduce norepinephrine reuptake for anxiolysis.

Evidence For Conditions

Side Effects

  • Drowsiness and reduced coordination
  • Hepatotoxicity (rare but serious — consult healthcare provider)
  • Skin rash (kava dermopathy) with chronic high-dose use
  • GI discomfort

Drug & Supplement Interactions

  • Alcohol — increased hepatotoxicity risk and CNS depression
  • Hepatotoxic medications (acetaminophen, statins) — additive liver stress
  • Benzodiazepines and sedatives — additive CNS depression
  • CYP450 substrates (2E1, 1A2, 2D6) — kavalactones may inhibit metabolism
  • Levodopa and dopaminergic drugs — kava may reduce efficacy

Informe sempre o seu profissional de saúde sobre todos os suplementos que você toma.Sempre informe seu profissional de saúde sobre todos os suplementos que você toma.

Related Ingredients

Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.