Health & Wellness

Can CBD Make You Fail a Drug Test?

Medically reviewed by Jillian Kubala, MS, RD
Written by Melena Gurganus

Does CBD show up on a drug test? The short answer is no. CBD isolate will not cause a failed drug test. What may cause a failed drug test is a CBD product has a high level of THC in it. 

Drug screenings test for the presence of THC. Full spectrum hemp-derived CBD products should not contain more than 0.3% THC, which should not cause psychoactive effects or a failed drug test. But many products are mislabeled. A drug screening may pick up on these trace amounts of THC if the user has taken large doses of the product or depending on the sensitivity of the test.

To mitigate this issue, there are many THC-free and CBD isolate products on the market for people who want to ensure they are not consuming THC.

Here’s a quick overview of the types of CBD products and what you need to know:

Product What to know about drug testing
Full-spectrum Full-spectrum products contains up to 0.3% THC. If you are regularly drug tested these products may pose a risk. While the low level of THC should not trigger a failed drug test, some products can contain more THC than the label says.
Broad-spectrum Broad-spectrum products contain a full range of cannabinoids and terpenes, but not THC. These products are an option for people who are regularly drug tested but want a range of benefits from the hemp plant.
Isolate Isolate CBD products contain no other cannabinoids or terpenes. These products may be the best for people facing a drug test, as long as the products are correctly labeled and tested to ensure the absence of THC.

If you are concerned about an upcoming drug test, don’t hesitate to ask the testing facility what compounds they test for. If you are concerned about CBD and a drug test, you may want to avoid full-spectrum products like Charlotte’s Web and try a THC-free option from a brand like Medterra. 

How long is CBD detectable in urine?

While there is some indication as to how long CBD stays in the blood stream, it is unclear how long it can be traced in urine. We know that THC can be present in urine for up to 30 days, but more research on the timeframe of detection for CBD in urine is needed.

How long do the effects of CBD oil last?

When it comes to the effects of CBD, how long they last depends greatly on the method of consumption and preferred dose of CBD. Research has shown that the onset and length of the effects of CBD vary widely, but the effects typically last anywhere from 2 to 6 hours

What to Remember When Taking CBD

With CBD becoming a more popular wellness supplement, there’s no doubt that more research is needed to fully understand the effects of CBD. However, based on the most current research, it’s clear that the amount of time CBD lasts in your system depends on many factors, including the dose taken and the method of delivery.

If undergoing a drug test, stay on the safe side and opt for THC-free CBD products. Additionally, always be sure to buy high-quality CBD products from trusted sources to ensure safety and potency.

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