Second, there’s a good chance that the CBD product you’re using contains more than the .3% THC legally allowed. In fact, when Penn Medicine researchers bought CBD products online and then analyzed their ingredients, they found that about one in five contained up to 6.4 mg/ML of THC — high enough to cause impairment.
This story discusses substances that are legal in some places but not in others and is for informational purposes only and not for the purpose of providing legal advice. You shouldn’t do things that are illegal — this story does not endorse or encourage illegal drug use.
First, THC is fat-soluble, so when you ingest it — especially via edibles or a drop of oil under the tongue — it’s absorbed along with other fats and can be stored in your body’s fatty tissue.
Drug tests don’t screen for CBD, but that doesn’t mean you’re in the clear.
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And in 2018, the CDC released a report that found that more than 50 people in Utah were poisoned by CBD products that actually contained synthetic marijuana commonly known as Spice and K2.
Depending on how much CBD (and thus THC), you consume, how often you consume it, your body weight and your diet, it’s possible for THC to accumulate in your body in as little as four to six days and trigger a positive drug test. Research has found that THC can be detectable in your system for up to 30 days, but it’s usually only present in heavy cannabis users after the first week.
When it comes to marijuana, drug tests typically only screen for THC — the compound in cannabis that gets you “high” — or one of the compounds created when your body metabolizes it. And by law CBD products can only contain up to 0.3% THC.
How cannabis drug tests work
You nailed your cover letter and rocked the interview. All that’s standing between you and an awesome new job is a mandatory drug screening. Will that CBD oil you’ve been taking for pain relief cause you to fail the test?
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“2 of 6 participants tested positive for cannabis after they inhaled CBD-dominant cannabis vapor.”
In his and his colleagues’ opinion, these results have important implications for consumers of CBD products.
“There is a need to understand whether the use of CBD products (. ) can impact drug testing for cannabis given their growing availability and increased interest in CBD for therapeutic purposes.”
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During a recent conversation, postdoctoral fellow Tory Spindle, Ph.D., a researcher in the Behavioral Pharmacology Research Unit at the Johns Hopkins Bayview Medical Center, explained how we drug-test for cannabis.
“The cannabis used in this study was very similar in THC composition to what is found in legal CBD/hemp products,” Spindle continued. “Individuals who are subject to urine drug testing in their place of employment or elsewhere should understand that even very small amounts of THC in a CBD/hemp product can trigger a positive result for cannabis and that conventional drug tests cannot distinguish whether THC present in someone’s system came from cannabis, or a federally-legal hemp product.
Vandrey and his collaborators at the University of Pennsylvania had published a JAMA study showing that that 21% of CBD/hemp products sold on the Internet contained THC, even though their labels didn’t properly disclose it.
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And, while some studies have suggested drug testing at work is a thing of the past, this is not the case for all jobs. Some jobs, as well as criminal justice and addiction treatment proceedings, among others, still require drug testing.
Finally, Spindle pointed out the findings of the Johns Hopkins study are highlight the issue of some poorly regulated CBD products being advertised as “THC free,” even though they were found to contain levels of THC similar to (or higher) than the THC levels present in the cannabis used in a study conducted by Ryan Vandrey, Ph.D., associate professor of psychiatry and behavioral sciences at the Johns Hopkins University School of Medicine.