How Long is Weed in Urine?

If you’re googling this question...then you probably are wondering how to pass a drug test or looking for the best way to pass a drug test on short notice. Are we right? Keep reading.

Weed and Urine, Best way to Pass a Test

Regardless if you’re thinking about drug testing, if you use marijuana, you should know how long weed is in your system because it’s the most commonly detected substance in urine drug testing. Let’s talk about a couple of technical things first. Weed and cannabis show up as THC metabolites in your system. THC (Tetrahydrocannabinol) is the compound that is responsible for making you feel high. Because THC is a waste product that is stored in your fatty tissue, it can be found in your urine, hair, saliva, or blood — and there are drug tests that can test each of these. You can probably guess that weed stays in your saliva and blood for a short amount of time, but it can be detected in urine or on hair strands for much longer. Actually, a hair test can detect THC for up to 90 days after you smoke — but it costs upwards of $100 per test which is not cost effective to most employers. Hence, urine drug testing is the most popular method and why you need to know how long weed is in your system. (If you’d like to learn more about testing sensitivity on for urine drug testing, check out our other blogs.)

As we mentioned above, THC is stored as a waste product in fatty tissue. This means that the more body fat you have, the more THC you store in your system. Other factors are important, too — like how often you use weed, how much you use in one session, and how strong the strand that you’re using is. This is a long way to say that determining how long weed is in your system is somewhat complex and extremely variable dependent. However, we do have a rough estimate that you can use as general guidelines.

According to  Mayo Clinic Proceedings, you can expect weed to stay in your system and show up in your urine for the amount of time specified below:

●         Occasional users (up to three times a week): 3 days

●         Moderate users (four times a week): 5 to 7 days

●         Chronic users (daily): 10 to 15 days

●         Chronic heavy users (multiple times a day): more than 30 days

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