does cbd test positive on a drug screen

“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.

And this is what Johns Hopkins Medicine researchers set out to do in recent months, publishing their findings at the Journal of Analytical Toxicology this week.

In his and his colleagues’ opinion, these results have important implications for consumers of CBD products.

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“The results showed that pure CBD did not produce a positive result on a standard urine drug test for cannabis. However, 2 of 6 participants tested positive for cannabis after they inhaled CBD-dominant cannabis vapor,” Spindle explained.

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.

“These results are especially important for people who use hemp/CBD products daily, such as for therapeutic reasons, because THC can potentially build up in a person’s system with repeated use, which could further increase the chances of a positive result for cannabis.”

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“2 of 6 participants tested positive for cannabis after they inhaled CBD-dominant cannabis vapor.”

With legal cannabis and hemp hitting the mainstream hard, and expanding rapidly across the U.S. and the rest of the world, the availability of products containing CBD in considerable proportions is exploding.

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Does cbd test positive on a drug screen

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How cannabis drug tests work

Drug tests don’t screen for CBD, but that doesn’t mean you’re in the clear.

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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.