how long does it take marinol to clear your system?
<answer> The elimination phase of dronabinol can be an initial half-life of about 4 hours and a terminal half-life of 25 to 36 hours. <context> It stays with you a long time. The elimination phase of dronabinol can be an initial (alpha) half-life of about 4 hours and a terminal (beta) half-life of 25 to 36 hours.