Kalimantan kratom is kratom from the Indonesian portion of the island of Borneo, a major growing region for the Mitragyna speciosa tree. Kalimantan is the more geographically specific term for material that vendors may also label simply as Borneo or Indo.
It is available in the standard red, green, and white vein colors. As with all origin labels, the name reflects a sourcing region rather than a guaranteed single farm, so vein color and current lab testing are the practical indicators of a batch. See the Kratom Strains Guide.
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Disclaimer: This glossary entry is for educational purposes only and is not intended as medical, legal,
or professional advice. Kratom is not approved by the FDA to diagnose, treat, cure, or prevent any disease.