A general estimate of how long THC may be detectable, based on test type and how often you use.
Estimated detection window
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Actual detection time depends on individual metabolism, body fat, hydration, dose, and the lab's cutoff level - treat this as a general estimate, not a guarantee. Standard drug tests screen for THC metabolites, not CBD itself; full-spectrum CBD products can contain trace THC that may accumulate with regular use.
Sources: Moeller et al., Mayo Clinic Proceedings (2017, 2008) · Huestis, Chemistry & Biodiversity (2007) · SAMHSA federal drug-testing guidelines.