Half-life profile
CBD half-life calculator
Estimate how much CBD remains in your body over time using a first-order elimination model. Values are approximate and should not replace lab testing or medical advice.
Pharmacokinetics at a glance
| Mean half-life | 18 hours |
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Typical detection windows
Detection windows are approximate and depend on dose, frequency, metabolism, specimen cutoffs and lab methods.
| Matrix | Window |
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How this model treats CBD
The calculator uses a simple one-compartment model with first-order elimination. Every half-life, the remaining amount is halved. Real-world pharmacokinetics can be more complex (multi-compartment models, active metabolites, saturable metabolism).
Medically reviewed sources
References for this entry have not been added yet.
Notes
This page is for educational and informational purposes only. It does not provide medical or legal advice and does not tell you whether you are safe to drive, work or pass a drug test.