CBD oil will not typically show up on a drug test. Drug tests are designed to detect the presence of certain drugs and substances, and CBD is not one of them. However, it is possible that a CBD product may contain trace amounts of THC, the psychoactive compound found in marijuana that can cause a positive result on a drug test.
THC is typically only present in CBD products in very small amounts, and it is not enough to produce any psychoactive effects or make a person feel "high." However, some CBD products may contain higher levels of THC, especially those that are made from marijuana rather than hemp.
If you are concerned about the possibility of a positive result on a drug test, it is important to choose a CBD product that is made from hemp and has been third-party tested to ensure that it is free of THC. You should also be aware that some drug tests are more sensitive than others, and they may be able to detect even trace amounts of THC. In this case, it is always best to err on the side of caution and choose a CBD product with a low THC content.