Alcohol and Kava: what the published research says
PubMed indexes 8 records that name Alcohol and Kava together, either in the title or in an interaction, co-administration, or pharmacokinetic context. Each one is listed below with its study design and, where the abstract states one, the authors’ own conclusion, quoted and linked. This page reports that literature. It does not tell you whether to combine them.
Every statement below is attributed to a named, dated, linked source.
This page lists published research relevant to Alcohol and Kava. It deliberately does not state whether the combination is safe, whether it interacts, in which direction, at what dose, or how far apart to take them.
A study appearing here is not proof that an interaction exists. Two substances can be named together in a paper that never tested them in combination, and a source listed as background may cover only one of them.
Findings are quoted from each abstract as the authors wrote them. NutriStack has not re-analysed, pooled, or reconciled them, and they may disagree with each other.
NutriStack’s own interaction assessment for this pair is not published here. It has not completed qualified-human clinical review, so it is withheld from search. See the publication gate.
Nothing here is medical advice. Decisions about prescription medication and supplements belong with your prescriber or pharmacist, who can see your full regimen.
The research
8 studies naming Alcohol and Kava.
Strongest relevance first: papers naming both substances in the title, then human trials and systematic reviews.
“The paper concludes with a discussion of the historical influences that have promoted some of the misconceptions surrounding kava. Ultimately the paper demonstrates that kava and alcohol are entirely different kinds of beverages with different effects, and that lingering misconceptions can be seen as a 'colonial hangover'.”
“Middle-aged and older Pacific adults are less likely to consume alcohol than Europeans however those who drink consume more on a typical occasion but drink less regularly resulting in lower weekly consumption of pure alcohol. Drinking patterns in these Pacific adults tend to show substantial diversity by age (older are less likely to drink), sex (women less likely to drink), and financial deprivation (middle groups consume more than least and most financially deprived).”
The Australian and New Zealand journal of psychiatry · 1986 · PMID 3460587
Case ReportsHuman subjects
“Do the kava pyrones possess anxiolytic or antipsychotic properties? Do they indeed have the property for which Pacific missionaries introduced them to Australia, as an alternative to alcoholism?”
Social science & medicine (1982) · 1982 · PMID 7100955
Comparative StudyHuman subjects
“It appears that kava, a traditional Pacific beverage may have lost ground to alcohol as urban Tongans adopt a more cosmopolitan life style. Kava, if proved relatively harmless, may be promoted as a less unhealthy alternative to tobacco and alcohol.”
[Nihon koshu eisei zasshi] Japanese journal of public health · 2014 · PMID 25746933
Human subjects
“Our results indicate that the food consumption, attitudes toward smoking and consumption of alcohol and kava, and family members' smoking status were associated with the participants' smoking and consumption of alcohol and kava. In conclusion, it may be necessary to consider these factors when establishing measures to prevent smoking and consumption of alcohol and kava among primary school students.”
Phytomedicine : international journal of phytotherapy and phytopharmacology · 2006 · PMID 16428028
“This present study investigated whether pharmacokinetic interactions between kava constituents and alcohol via alcohol dehydrogenase (ADH) inhibition by individual kavalactones might explain its claimed hepatotoxic effects. Four kavalactones, (+/-)-kavain, methysticin, yangonin and desmethoxyyangonin, fail to inhibit ADH in vitro at 1, 10 or 100 microM concentrations.”
Names both Alcohol and Kava in its title.
Limitations
What this evidence cannot tell you.
Search-based evidence indexes have real limits, and it is worth being explicit about them:
Selection. These records were found by searching PubMed titles and abstracts for both substance names alongside interaction and pharmacokinetic terms. Relevant work that phrases things differently, or is not indexed in PubMed, will be missing.
No effect size. The quoted conclusions are the authors’ words about their own study. We have not extracted effect direction or magnitude, and a single study’s conclusion is not a consensus.
Population mismatch. Findings in healthy volunteers, animals, or a specific patient group may not transfer to you, your dose, or your formulation.
Absence is not safety. Few published studies means the combination is under-studied, which is not the same as established as safe.
Nearby evidence
Other pairs with published research.
Pages covering Alcohol or Kava alongside a different substance.
NutriStack is a free iPhone app for organising a supplement routine: what you take, when, and what the published record says about it. Its exploratory interaction checker covers Alcohol, Kava, and several hundred other substances.
The checker is a research and organisation tool, not a clinical decision aid, and its per-pair assessments are excluded from search until they pass claim-level review.
NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.