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Approximately how much weed does it take to show up on a drug test?

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Dr. Lawrence Tucker
Addiction Medicine

In brief: Up to 13 days

Some thc metabolites have an elimination half-life of 20 hours.
However, some are stored in body fat and have a elimination half-life of 10 to 13 days. Most researchers agree that urine tests for marijuana can detect the presence of the drug in the body for up to 13 days.

In brief: Up to 13 days

Some thc metabolites have an elimination half-life of 20 hours.
However, some are stored in body fat and have a elimination half-life of 10 to 13 days. Most researchers agree that urine tests for marijuana can detect the presence of the drug in the body for up to 13 days.
Dr. Lawrence Tucker
Dr. Lawrence Tucker
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