Duration

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How Long Does Kanna Last? A Practical Timeline by Format (2026)

The short answer: felt effects usually run about 1 to 2 hours, occasionally a bit longer, with onset ranging from roughly 15 minutes for a chew or tincture to about an hour for a swallowed capsule. Here is the full timeline of a kanna dose, dose and format dependent, plus how long it stays in your system.

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