CBD is becoming more popular than ever as people look for natural, plant-based ways to support their wellness. But one common concern still holds many people back: Will CBD make me fail a drug test?
At MedRoots, we believe in transparency and education. That’s why we’ve put together this FAQ to answer your most common questions about CBD and drug testing—so you can make informed decisions about what you put in your body.
Q: Will CBD show up on a drug test?
CBD itself is not a substance that standard drug tests screen for. Most workplace drug tests are designed to detect THC (tetrahydrocannabinol)—the psychoactive compound in cannabis—not CBD.
That said, there’s a catch: Some CBD products contain trace amounts of THC, which can potentially trigger a positive result, especially if used frequently or in high doses.
Q: What types of CBD are more likely to cause issues on a drug test?
There are three main types of CBD products:
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Full-Spectrum CBD: Contains all naturally occurring compounds in the hemp plant, including trace amounts of THC (legally under 0.3%).
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Broad-Spectrum CBD: Contains multiple cannabinoids and plant compounds, but has had THC removed.
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CBD Isolate: Pure CBD, with no other cannabinoids or plant compounds, including THC.
Full-spectrum CBD carries the highest risk of showing up on a drug test due to the presence of THC—even if it’s just a small amount.
At MedRoots, we clearly label all our products and only use broad-spectrum or THC-free CBD in our gummies and suppositories so that you can enjoy plant-based relief with peace of mind.
Q: Can trace amounts of THC cause a positive test?
Yes, it’s possible. While uncommon, long-term or high-dose use of full-spectrum CBD can allow enough THC to build up in the body to trigger a positive test—especially in people with slower metabolisms or higher body fat percentages.
Even trace amounts of THC can accumulate over time. That’s why many people choose THC-free CBD if they are subject to regular testing.
Q: How do I know if my CBD product contains THC?
Check the label—and the lab results. Reputable brands like MedRoots provide:
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Clear labeling on whether the product is full-spectrum, broad-spectrum, or isolate
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Third-party lab testing (Certificates of Analysis) to confirm cannabinoid content
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Batch-specific test results available to customers
If a product doesn’t list this information, that’s a red flag.
Q: Can topical CBD products cause a failed drug test?
CBD creams, balms, or patches applied to the skin are unlikely to enter the bloodstream in significant amounts, so the risk of a drug test issue is very low.
However, ingestible products (like gummies) or internal-use products (like suppositories) do enter the bloodstream, so choosing THC-free options is especially important if drug testing is a concern.
Q: How long does CBD (or THC) stay in your system?
Everyone metabolizes cannabinoids differently, but here’s a general idea:
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CBD typically stays in your system for 2–5 days, though this can vary based on dose, frequency, and body composition.
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THC can be detected for several days to weeks, especially in urine tests and for regular users.
Again, even if you’re only taking CBD, the presence of THC in full-spectrum products is the real issue when it comes to drug testing.
Q: What should I do if I’m getting drug tested but want to use CBD?
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Choose THC-free CBD products like those from MedRoots
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Keep documentation of the CBD you’re using, including COAs
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Speak with your employer or testing administrator if you're unsure of the testing policy
If you need additional support, our customer service team can help point you toward products that fit your needs.
Q: Can CBD cause a false positive on a drug test?
CBD itself should not cause a false positive, but products with THC—even in tiny amounts—can. Also, some tests may be more sensitive or prone to cross-reactivity depending on the lab and method used.
Stick to THC-free products and verify third-party testing results to minimize any risk.
Final Thoughts: Choose CBD Products You Can Trust
CBD can be a powerful part of your wellness journey—but understanding the relationship between CBD, THC, and drug testing is key to using it safely and confidently.
At MedRoots, we craft every product with clarity, quality, and transparency in mind. Our vegan CBD gummies and targeted suppositories are formulated without THC, so you can feel good about what you're using—whether you're managing stress, supporting recovery, or caring for your pelvic health.
Always check your labels, stay informed, and choose trusted brands that put your wellness first.
