How Long Does Kratom Hang Out in Your System? (Hint: It’s Complicated) Updated: March 2025 Introduction: Why This Matters Whether you're new to kratom, a regular user, or researching for health or legal reasons, knowing how long kratom stays in your system is critical. Kratom (Mitragyna speciosa) contains active compounds like mitragynine that interact with opioid receptors in the brain. These interactions influence how long kratom remains detectable in your body and through drug tests. In this guide, we break down detection times by test type, what affects kratom’s metabolism, and how to interpret your results. We keep the science...