Kava has one of the more interesting origin stories in the world of natural remedies. This plant has been suppressed by missionaries, banned by European governments, rehabilitated by scientists, and is now showing up in canned beverages at your local grocery store. That is a lot of ground to cover for a root that just makes you feel relaxed.
Here is the full story.
Ancient Origins: 3,000 Years in the Pacific
Kava (Piper methysticum) has been cultivated and consumed in the Pacific Islands for at least 3,000 years, possibly longer. Originating in Vanuatu, it spread across Polynesia, Melanesia, and Micronesia — carried by seafaring peoples as they settled the islands of the Pacific. By the time Europeans arrived, kava was woven into the fabric of daily and ceremonial life across Fiji, Tonga, Samoa, Vanuatu, and Hawaii.
The preparation was labor-intensive. Traditionally, kava was made by pounding or grinding the root into a pulp, mixing it with water, and straining the liquid through fiber. In some cultures, young people would chew the root and spit it into a bowl — the saliva helping to break down the kavalactones (the active compounds) before mixing with water.
Kava was used in ceremonies marking births, deaths, marriages, and diplomatic agreements. Leaders would drink it before important negotiations. Healers used it medicinally for anxiety, insomnia, and pain. It was offered to visiting dignitaries as a gesture of peace. In many Pacific cultures, it still is.
First Contact: European Explorers Encounter Kava
The first recorded European encounter with kava came in 1616, when Dutch explorers Jacob Le Maire and Willem Schouten landed in Tonga during their circumnavigation of the globe. They observed the ceremonial preparation and consumption of kava and noted the strange effect it had on those who drank it — calm, relaxed, sociable, but fully coherent.
Captain James Cook encountered kava on multiple occasions during his voyages through the Pacific between 1768 and 1779. His ships visited Tonga, Tahiti, and Hawaii, and Cook's journals contain detailed descriptions of kava ceremonies. His naturalists collected samples and documented the plant. Cook was not exactly enthusiastic about the taste, but he was curious enough to observe the ritual closely and note its social importance.
By the late 1700s, European naturalists had formally classified the plant and were beginning to wonder whether its apparent calming properties could be isolated and studied.
The Missionary Problem (1800s)
Then came the missionaries, and things got complicated.
As Christian missionaries spread through the Pacific islands in the nineteenth century, they systematically targeted kava as a problem. Their objections were partly moral — they viewed altered states of any kind with suspicion — and partly political. Kava ceremonies were central to indigenous culture and social organization, and dismantling them was part of a broader project of cultural suppression.
In Hawaii, missionaries succeeded in getting kava largely banned. In Fiji, colonial authorities restricted its use. Across much of Polynesia, missionary pressure pushed kava consumption underground or into increasingly limited ceremonial contexts.
The irony is that kava is not intoxicating in any meaningful sense. It does not cause aggression, impaired judgment, or addiction in the way alcohol does. But the missionaries were not making careful pharmacological distinctions, and their campaign had lasting effects.
Kava survived in most Pacific Island cultures — it was too deeply embedded to eradicate entirely — but its role was diminished in many communities for decades.
Scientific Interest and Military Use (Early 20th Century)
European scientists did not stop paying attention. German researchers were particularly active in studying kava during the late 19th and early 20th centuries. The German military reportedly supplied kava preparations to soldiers in both World War I and World War II — valued for its ability to reduce anxiety and promote sleep without the performance-impairing effects of alcohol or opiates.
The first serious toxicity study was conducted in 1967, showing that even at high doses, kava did not cause organ damage in animal models. This was reassuring news and helped build the case for kava as a safe botanical supplement.
Through the 1960s and 1970s, interest in natural psychoactives was growing in Western countries. Researchers began isolating and characterizing the kavalactones responsible for kava's effects. By the 1980s, the pharmacology was reasonably well understood: kavalactones bind to GABA receptors in the brain, producing a calming effect similar in some ways to benzodiazepines but without the dependency risk. They also affect dopamine pathways, which may explain the mild mood lift that kava drinkers often report.
The 1990s Boom
The 1990s were a golden era for herbal supplements in Western markets. St. John's Wort, echinacea, and ginkgo biloba were flying off pharmacy shelves. Kava rode the same wave.
By the late 1990s, kava supplements had become one of the top-selling herbal products in Europe and North America. Annual global sales were estimated to have exceeded $400 million. Standardized extracts in tablet and capsule form made kava accessible to people who had no interest in the traditional preparation. Clinical trials were being conducted. Meta-analyses were finding significant evidence of efficacy for anxiety reduction.
For the Pacific Island nations that produced kava, the export market was transforming local economies. Vanuatu in particular was seeing real income growth from kava exports.
It looked like kava had finally made its mainstream breakthrough.
The Liver Scare (1999-2002)
Then, in 1999, reports began emerging from Germany and Switzerland of liver problems in people who were taking kava supplements.
The numbers, when examined carefully, were not dramatic. Approximately 30 cases of liver toxicity were reported to German and Swiss health authorities, including several cases of liver failure requiring transplantation. Given that tens of millions of doses had been consumed across Europe, this was a very low incidence rate — and many of the affected individuals had been taking other medications simultaneously, making it difficult to establish causation.
None of that mattered in the regulatory environment of the early 2000s. Germany banned kava in 2002. Switzerland, France, Canada, and the UK followed. The US FDA issued a consumer advisory. The supplement industry pulled kava products from shelves.
The economic impact on Pacific Island nations was severe. Kava exports from Vanuatu collapsed. Farmers who had converted land to kava cultivation had no market for their crops.
The Rehabilitation (2005-2015)
Over the following decade, the science got more nuanced.
Researchers examining the European liver cases more closely found that most involved people taking very high doses of ethanolic kava extracts — a different preparation from both traditional aqueous kava and the products that had previously been considered safe. Traditional Pacific kava preparation uses water, not ethanol or acetone, as a solvent, and appears to produce a different chemical profile. There is also a hypothesis involving alkaloids present in the leaves and stem peelings that are not present in the root itself.
A 2007 review by a WHO expert committee found that kava's risk of liver toxicity was "extremely rare" and that the risk-benefit profile for standardized aqueous root extracts was favorable. Germany lifted its kava ban in 2015 after a court ruling found the original regulatory decision had not been adequately justified by evidence.
The US FDA, which had never actually banned kava, updated its advisory to acknowledge the uncertainty around the liver question. For more detail on where the science stands today, our guide on kava and your liver covers the research in depth.
The Kava Bar Boom (2015-Present)
Meanwhile, something unexpected was happening in the United States.
Kava bars started opening in Florida in the late 2000s, driven largely by Pacific Islander communities who had brought the tradition with them. By the mid-2010s, the concept was spreading. By 2020, there were hundreds of kava bars operating across the country — in cities that had never had much connection to Pacific Island culture.
The appeal was real and simple: a social space where you could relax, be present, and have an interesting drink without alcohol. For a generation dealing with anxiety and looking for alternatives to drinking, kava offered something genuinely different.
The functional beverage movement arrived at the same moment. Consumers were scrutinizing labels, looking for drinks that did something — adaptogens, nootropics, botanicals. Kava fit the brief perfectly. It has thousands of years of documented use. The active compounds are well-characterized. The effect is real and consistent.
That is the window Psychedelic Water was built for. Our Psychedelic Water cans contain kava alongside other functional botanicals, in a ready-to-drink format that requires no ceremony, no pounding of roots, and no chewing. The effect — a gentle calm, a mood lift, a sense of ease — is the same thing Pacific islanders have been after for three millennia. The delivery has just been modernized.
For people who want more options, our Good Mood Mix powders bring the same kava-forward formula to a mix format — easy to throw in a bag, easy to make at the gym or office or wherever you need it.
Kava's Remarkable Staying Power
What is striking about kava's history is not any single chapter but the full arc of it.
This plant survived missionary suppression, colonial restriction, a regulatory panic that wiped out export markets overnight, and decades of scientific uncertainty. It outlasted every attempt to push it aside. And it kept being used — by Pacific Islanders who had never stopped, and by a growing number of people in the West who found something genuinely valuable in what it offered.
The current moment for kava is arguably the best in its history outside the Pacific. The science is catching up. The stigma is fading. The products are better and more accessible than they have ever been.
Three thousand years is a long track record. Kava is not a trend. It is the trend finally catching up to something that has always worked.
Want to go deeper? Our complete kava guide covers effects, safety, and what to expect. And if you want to try the modern version of the Pacific's favorite botanical, we make that easy. You can also explore all the ways to consume kava — from traditional prep to canned beverages — to find what works best for you.