Kava has strong evidence supporting its effectiveness for anxiety, with studies showing comparable results to low-dose benzodiazepines. However, concerns about hepatotoxicity and potential interactions with other substances warrant caution.
Anxiety / GAD symptomsAdults with generalised anxiety · Meta-analyses of RCTsHigh
Consistent & meaningful anxiety reduction; effect size comparable to low-dose benzodiazepines.
Stress Reduction & Mood Enhancement
Kava & buspirone are combined to reduce stress & enhance mood. Kava provides calming effects, while buspirone is an anxiolytic that helps manage anxiety & improve mood.
Forms & usage▾
Take 250-500 mg of kava extract daily, preferably in the evening. Ensure it is sourced from noble varieties to minimize risks.
Safety & trade-offs3▾
Hepatotoxicity risk with daily use, especially combined with alcohol or from non-noble varieties (stem, leaves, tudei kava)
Additive CNS depression with alcohol, benzodiazepines, and opioids — do not combine
Dermopathy (scaly, dry skin) with chronic heavy use — fully reversible on cessation
●High ●Moderate ● Low / note