Kratom vs Kava: How the Two Botanicals Differ

Kratom vs kava is a common comparison, but the two are unrelated plants. Kratom is the leaf of a Southeast Asian tree in the coffee family. Kava, meanwhile, is the root of a Pacific Island shrub in the pepper family. They also come from different places, contain different natural compounds, and Canadian rules deal with them very differently. This guide sets out the differences plainly.

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Kratom is Mitragyna speciosa, a tall evergreen tree in the Rubiaceae family, the same family as the coffee plant. The traded part is the leaf, which producers dry and mill into powder.

Kava is Piper methysticum, a leafy shrub in the Piperaceae family, which also includes the black pepper vine. In contrast, the traded part is the root and the rhizome, the underground stem, rather than the leaves.

So the comparison starts with a basic point: these are not two varieties of one thing. They are separate species, from separate plant families, and people buying one should never assume the other is interchangeable with it. For kratom’s botany in detail, see Mitragyna speciosa: the kratom tree.

First, kratom is native to Southeast Asia. Its natural range includes Thailand, Malaysia, Indonesia, Myanmar, the Philippines and Papua New Guinea, and most of the kratom traded internationally today comes from Indonesia, particularly West Kalimantan on Borneo. Where kratom comes from covers those regions.

Kava, however, belongs to the islands of the South Pacific. It has close ties to Vanuatu, Fiji, Tonga, Samoa and Hawaii, where it has a long-standing cultural and ceremonial role. Many Pacific communities grow it as a valued crop. In addition, people name and trade different island varieties much as they do with wine regions.

The two plants overlap only loosely in climate: both need warmth and humidity. Neither grows outdoors in Canada, so everything sold here comes from abroad.

The chemistry is where the plants differ most clearly. Kratom leaf contains alkaloids, nitrogen-containing compounds, and the most abundant of them is mitragynine. Laboratories measure kratom batches by their alkaloid content; see mitragynine explained.

Kava root contains a different class of compounds called kavalactones, with names such as kavain and methysticin. They are not alkaloids, and laboratories measure them with their own methods and standards.

Because the compound classes are unrelated, testing, labelling and quality checks for the two products are different too. For example, a kratom Certificate of Analysis reports alkaloids and contaminant screening. In contrast, labels describe kava products by their kavalactone content.

In Canada, sellers offer kratom as dried leaf powder, crushed leaf or capsules for research and botanical purposes. Health Canada has not authorized kratom for human consumption, so sellers cannot market it with health claims. In addition, reputable sellers back each batch with a laboratory report.

Kava, on the other hand, goes through Canada’s natural health product system. Kava products reach shelves as licensed natural health products. This means Health Canada has reviewed each one, and each carries an eight-digit Natural Product Number (NPN) on its label. They typically come as capsules, tablets or extracts made from the root.

For a buyer, this difference in how sellers offer each plant matters most in practice. That is because it changes what paperwork you should expect to see.

• Kratom, legal status: not listed under the Controlled Drugs and Substances Act; legal to buy and own;
• Kratom, how sellers offer it: for research and botanical purposes only, with no health claims, because Health Canada has not authorized it for human consumption;
• Kava, history: Health Canada issued a stop-sale on products containing kava in 2002 after reports of liver problems;
• Kava, today: kava products need a natural health product licence, each with its own NPN, before anyone can sell them.

For kratom, Is kratom legal in Canada? explains the details. For a kava product, you can check the NPN on the label in Health Canada’s Licensed Natural Health Products Database.

The two names come up together mostly because of where people read about them. Both are botanicals from tropical Asia and the Pacific, and online shops often carry both. They also have long histories of traditional use in their home regions. Articles and forums therefore tend to group them.

Grouping them can blur important differences, though. After all, kratom and kava are different species, contain unrelated compounds, carry different risks and warnings from regulators, and sit under different Canadian rules. Consider each on its own terms, and rely on the scientific name on a label rather than a common name or a comparison you read online.

• Scientific name: Mitragyna speciosa for kratom, Piper methysticum for kava;
• Plant part: leaf for kratom, root or rhizome for kava;
• For kratom: a batch-specific Certificate of Analysis with contaminant screening (how to read one);
• For kava: an eight-digit NPN that you can look up in Health Canada’s licensed product database;
• A traceable seller with real Canadian contact details.

Kratom Delivery Canada sells lab-tested kratom and an organic ashwagandha root powder. However, we do not sell kava.

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