CBD is a non-intoxicating cannabinoid found in cannabis. Photo by: Gina Coleman/Weedmaps
When consuming pure CBD, there is evidence you’ll be missing out on some health goodies conveyed by the entourage effect if you chose a full- or broad-spectrum CBD product instead. But it’s the only way to be certain there’s no THC in your CBD, and the only way to buy CBD in states with highly restrictive laws.
Upon inhalation, active THC can be found in the bloodstream within a matter of seconds and can be detected in plasma for several hours, depending on the frequency of use and dosage. According to a 2004 review published in the journal Therapeutic Drug Monitoring, the plasma concentration of THC peaks just three to eight minutes after inhalation and then decreases quickly with a half-life of about 30 minutes. The study claims that THC is detectable in blood for about five hours, but the THC metabolite THC-COOH has a detection time of up to 25 days.
THC and its metabolites can also be detected in the saliva of occasional and chronic users. A 2014 study published in the journal Drug Testing and Analysis looked at cannabinoids in oral fluid and found that THC metabolites were detectable in the saliva of occasional users for one to three days and chronic users for up to 29 days.
Whichever method, or methods, you choose, be sure to buy from a reputable source and check the label carefully. Since the Food and Drug Administration (FDA) hasn’t established guidelines for CBD products, it’s buyer beware. Avoid any product making health claims like that it cures or treats anything specific. Most reputable CBD producers typically include the following information on their product labels:
Your best bet is to do your research, and take the utmost caution when buying a CBD product to ensure it’s pure, particularly if you must undergo a drug test.
A secondhand exposure scenario that is more likely is a positive hair test for marijuana that results from directly contacting marijuana paraphernalia or from someone who has THC on their hands. For example, if somebody who was in contact with marijuana then turned around and touched your hair, you might end up with a false positive drug test, if it was a hair test.
The urine test is most commonly used for cannabis testing. It’s an “immunoassay test” that uses antibodies made for latching on to certain drugs or their metabolites (like the presence of THC as well as its metabolites).
How to Avoid a Positive CBD Drug Test
But, CBD products can cause problems when it comes to a drug test. It can be tricky. That is, drug tests screening for THC that have CBD in them might come back positive, since a lot of CBD products do contain trace amounts of THC in them that tests will detect in your bloodstream.
An article published in 2020 shows urine drug tests typically focus on the following substances:
Licensed farmers are allowed to grow the plant, but it must contain less than 0.3% of THC. Because of this, more and more CBD products are popping up everywhere from lotions to oils to cookies to coffee.
There are certain things you can do if you use a CBD product to prevent you from failing a drug test. These include: