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Marijuana sort of has a half-life. If you have a completely clean system and you smoke, it will be out of your system in 2-5 days. If you smoke during this period, it will increase to 4-10 days, and so on and so forth. This doubling stops around 40 days though. If you consistently smoke marijuana, it will take approximately 2-5 weeks to get out of you system. It all depends on body chemistry (how fast your metabolism is, body weight, physical condition, etc). The average time it takes for a 180 pound, male consistent marijuana smoker is 30 days.

There are numerous supplements out there that claim to get marijuana out of your system, but once again, it all depends on body chemistry. Two common theories I would not recommend are putting a drop of bleach in the cup after you piss, and using someone else's urine (the first thing they do is check the temperature of the urine). Niacin works for some people. Cranberry pills work for others. But I can't stress enough that it all comes down to body chemistry.

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14y ago

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