Kava vs Kanna: Two Calming Plants, Two Very Different Experiences

Both are plants used for centuries to support mood. Here's where kava and kanna actually diverge.

As interest in plant-based calm grows beyond the familiar names, kanna has started showing up alongside kava in wellness conversations, sometimes compared, sometimes confused for a variant of the same thing. They're not. Kava and kanna come from different continents, work through entirely different mechanisms, and produce genuinely different experiences. Here's an honest look at where each one actually stands.

Different Origins, Different Traditions

Kava (Piper methysticum) is native to the South Pacific islands, where it has been grown and prepared as a root-based beverage for thousands of years, central to social gatherings and ceremonial life across Pacific Island cultures.

Kanna (Sceletium tortuosum) is a succulent plant native to South Africa, traditionally used for centuries by the San and Khoikhoi peoples, historically chewed, and also taken as a snuff or brewed as a tea, valued for its mood-lifting and calming properties.

Both traditions run deep. Neither is a recent wellness-industry invention, though kanna has a lower profile in Western markets than kava currently does, which is part of why confusion between the two is relatively new.

Fundamentally Different Mechanisms

This is the core distinction, and it's a real one, not a marketing detail. Kava's effects come from kavalactones, compounds that interact with the central nervous system to produce relaxation without primarily acting on serotonin pathways.

Kanna works differently. Research on kanna's primary alkaloid, mesembrine, identifies it as a serotonin reuptake inhibitor, meaning it affects the same general neurotransmitter system that pharmaceutical SSRIs target, though through a distinct plant compound and at a different scale. A related alkaloid, mesembrenone, also shows activity as a PDE4 inhibitor, a mechanism relevant to mood and cognitive effects.

In plain terms: kava relaxes primarily through a different pathway than kanna's serotonin-focused mood effect. They're not two versions of the same mechanism wearing different plant names. They're genuinely distinct tools, which is exactly why substituting one for the other based on they're both calming plants isn't a safe assumption.

Effect Timeline and Traditional Preparation

Kava prepared traditionally, kneaded root strained into water, typically produces effects within 15 to 30 minutes, centered on physical relaxation and a calm, clear-headed mental state. Kanna's traditional preparation, chewed fresh or fermented plant material, or taken as a tea, is generally associated with a mood-lifting, sometimes mildly stimulating effect at lower amounts, with more sedating effects reported at higher amounts, according to available research and traditional accounts.

Because kanna acts on serotonin pathways, it also carries a documented interaction risk that kava does not share in the same way: combining kanna with SSRIs, MAOIs, or other serotonergic medications carries a real risk of serotonin syndrome, a serious condition. This is a meaningful safety distinction between the two plants, not just a difference in traditional use.

Current Research Maturity: Not Equal

Kava has a substantially larger body of clinical research behind it, including multiple randomized controlled trials on anxiety, decades of use data, and an established, if evolving, regulatory history in Western markets.

Our overview of kava's clinical research covers this in more depth.

Kanna's research base is smaller and newer. Available studies, including work on its primary alkaloids' receptor activity, are promising but limited in scale, and at least one meta-analysis of a small number of trials found no significant difference in anxiety outcomes between kanna extract and placebo. That doesn't mean kanna doesn't work for anyone, it means the evidence base is genuinely less mature than kava's, and that's worth knowing honestly rather than glossing over.

What to Research Further Before Trying Either

Neither plant is inherently better, they're suited to different things and come with different considerations:

• If you're drawn to kava: Confirm noble kava sourcing specifically, understand the traditional root-based preparation versus concentrated extracts, and review how kavalactones work in the body before your first try.
• If you're drawn to kanna: Research its serotonin-related mechanism specifically, and if you take any SSRI, MAOI, or other serotonergic medication, this is a conversation for your prescriber before trying it, not an assumption to make on your own.
• If you're not sure which fits your goal: Kava's larger research base and established sourcing standards (noble vs non-noble, third-party testing) give you more to verify before buying. Kanna's smaller but real research base means more of your own homework is warranted before a first try.

What Real Customers Say About Kava Specifically

Since this article is focused on kava's side of the comparison, here's what genuine reviewers say about trying it through KavaKrave. One reviewer of the Citrus Berry Powder Mix called it a great way to take the edge off after a long day, while a reviewer of the Noble Kava Candy said it's perfect for carrying around in case I need to calm down.

The Bottom Line

Kava and kanna are both legitimate, traditionally-used calming plants, and that's roughly where the meaningful similarity ends. Different continents, different mechanisms, different research maturity, and in kanna's case, a real interaction risk with common antidepressant medications that kava doesn't share in the same way. If you're specifically interested in kava, KavaKrave's Citrus Berry Powder Mix and Noble Kava Candy are built around verified noble sourcing and the research base that comes with it.

Frequently Asked Questions

Can kava and kanna be combined?
This article doesn't provide combination guidance for kanna, since that falls outside kava-specific expertise, and kanna's serotonin-related interaction risks mean this is a question for a healthcare provider, particularly if you take any serotonergic medication.

Is kanna legal in the U.S.?
Kanna is generally available as a dietary supplement in the U.S., but regulations can vary and evolve. Check current, authoritative sources rather than assuming its status is fixed or uniform everywhere.

Which one should a complete beginner try first?
That depends on what you're looking for and your current medications, not which one is better. Kava's larger, longer research history and established noble-sourcing standards make it easier to evaluate a specific product's quality, which is part of why it has a more mature market presence today. 

Curious about kava specifically? Explore KavaKrave's Noble Kava Candy and Citrus Berry Powder Mix and see how noble kava sourcing and testing set the standard for what to look for.