In a nutshell, CBD will not appear on a drug test. The reason is as far we know, drug tests don’ screen for CBD but for THC However, as most CBD products use CBD which have been derived from a Cannabis plant, it can be contaminated with THC. You do have products which state containing 0.3% or less THC. Some other products do claim to be completely THC free. If you have a drug test to pass we strongly encourage you to not take CBD at all so you are sure to not be contaminated with THC. For your information, if you took CBD and are going paranoid about an eventual drug test you have to take soon, here is some extra information about the amount of time THC can be detected by a test:
  • Urine tests can detect marijuana in the urine for approximately 3–30 days after use.
  • Saliva tests can detect marijuana for approximately 24 hours after use. Some saliva tests have detected marijuana for up to 72 hours.
  • Hair tests are the most sensitive tests, detecting THC for up to 90 days after use. However, these tests are testing the oil in skin that transfers to hair, and so they may occasionally show a false positiveTrusted Source. A person who comes into contact with a THC user could, theoretically, test positive on a hair test.
  • Blood tests can only detect THC for 3–4Trusted Source hours.

Finally, if you really cannot do without your CBD, we encourage you to go for either CBD Isolate, which is pure CBD that you can find in powder or crystal form. CBD Isolate comes from hemp which contain less than 0.3% of THC, so you should be relatively safe. In any case, if you are a CBD consumer we also encourage you to declare it before you take a drug test.
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