How Long Does THC stay in your body


We love being the preferred mountain lifestyles dispensary along the Denver/I-70 corridor and, all the more, helping fellow cannabis enthusiasts adapt their cannabis consumption to their lifestyles. Since we cater to a work-hard/play-hard crowd, it’s not uncommon for our budtenders to field questions such as, “How long is weed in your system?” and “How long does weed stay in your urine?”


Below, we’ll provide some of the best rules of thumb for cannabis detox and timing. In just a few short minutes, you’ll know exactly how you can control your THC levels with just a little foresight and planning.

How Long is Weed in Your System? Understanding the Timeline

First, keep in mind that the body deposits THC in a variety of locations throughout the body, including:


  • Blood: Tests can detect THC in the blood only a few hours after partaking (thus, it’s not a common testing method).
  • Saliva: THC remains typically in saliva for upwards of 24 hours, but certain edibles or sublingual products can be detected for up to 44 hours.
  • Urine: The most common testing method, THC, lasts anywhere from one day to a month in the urine.
  • Hair: THC is detectable in the hair for up to 90 days, but these tests are typically reserved for more serious requirements (e.g., security clearances). They also have a slightly higher rate of false positives.


Timing your detox is much easier if you know what test you must pass. Still, getting a clear answer to “How long does weed stay in your urine?” is tricky, given the immense time range and personal factors involved.

Clearing the Smoke: Factors Affecting THC Detection and Detox

Being a fat-soluble compound, THC levels strongly depend on metabolism. This can be good news for those pursuing an active lifestyle. Those whose bodies are better at burning fat may also shave valuable time off the detection window.


The wide variety of marijuana products you’ll find on our shelves can also affect how long THC stays in your system. Generally, THC from edibles and tinctures lasts longer in the body than smoking or vaporizing it. Further, the efficiency of your body’s detoxification pathways (including liver and kidney health) can also affect the speed at which you metabolize and expel THC.


So, how long does weed stay in your system based on these variables? No one can say for sure unless you have your own testing resources. What we can say for sure is that staying active could make a difference.

The Importance of Detoxing: Cleansing Your System Safely

Unfortunately, the only way to get a firm answer to “How long is weed in your system?” or “How long does weed stay in your urine?” is to take a test and find out. Yet, over the long term, you can achieve a faster detox timeline by making a few health adjustments:


  • Stay active, and take steps to speed up your body’s metabolism
  • Adapt your body to burning fat for energy (as opposed to carbohydrates)
  • Opt for more smokable or vapeable marijuana, rather than edibles, and put a hold on your use if you anticipate a test.


So, how long will one smoke session stay in your system? While at the lower end of these rough estimates, even one session can easily result in detectable THC. One study from the Mayo Clinic reported an estimated three-day time window for detecting THC from a single joint (compared to upwards of a week for moderate use, defined as four times per week).

Enjoy Your Bud of Choice Wisely and Without Unexpected Surprises

Knowing how long weed is in your system is always a guessing game, but with these tips, you can at least steer the outcome to greater effect. Dispensary Exit 243 knows the importance of balancing your med and rec cannabis needs with other important aspects of your lifestyle.


We’re always here with a friendly pick-me-up or sage advice for all your marijuana needs. Contact us for further product and use recommendations, and stop by the next time you see the “Exit 243” sign on your way to Denver’s majestic mountain playground.

Featured Image: Olga Ostapenko/Getty Images

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