September 13, 2021

 The question of how long CBD stays in your system seems like it should be fairly simple. And there is a straightforward, science-y answer…”CBD has a half-life of 18-36 hours.” But that doesn’t really help. And it doesn’t really answer what you’re *actually* asking. So, yes, we’re going to help explain how long CBD stays in your system. We’ll also try to address any other questions you may need answers to.


First, let’s address the basics.

What is CBD?

CBD is cannabidiol, one of many cannabinoids derived from the cannabis plant that can be used to improve state of mind, boost mood, and lessen discomfort. There are various strengths available, as well as different options of cannabinoids.

Products range from:


  • Full Spectrum (CBD and other cannabinoids and terpenes, including up to 0.3% THC) 
  • Broad Spectrum (CBD and other cannabinoids and terpenes, but without THC) 
  • CBD Isolate (only CBD)


Check out the differences and benefits here.

How Long Do the Effects of CBD Last?

After you take CBD, how long will the effects last? It depends on a few factors. On average, anecdotal evidence suggests the effects of individual CBD products can last anywhere from 2-6 hours. The way in which you use them may directly impact how it’s absorbed by the body, when effects begin, and how long those effects last.

There are numerous methods in which CBD can be ingested, including:


If you take CBD via edibles, it has to go through the digestive system and can take 30-60 minutes before you may notice any effects. That being said, it could last 6+ hours once it starts working. Oils and tinctures, which are used under the tongue to enter the bloodstream, take a little longer to hit but may last longer. Vapes typically make you feel the effects the fastest but also tend to last the shortest time. And finally, topicals—usually used to lessen discomfort in sore muscles—are slowly absorbed through the skin. As a result, the effects are slower to start but may be long-lasting.

Does CBD Stay in the System?

No longer feeling the effects of CBD does not mean the chemical has left your body or is undetectable. CBD lingers in the body much longer than when you can feel it. The length of time depends on a few factors, including the method of delivery discussed previously. 


Other factors that may influence how long CBD stays in your system include:

  • Body metabolism and BMI
  • Amount of CBD taken
  • How often you take it
  • When and what you eat


Some of these factors come into play because CBD is fat-soluble. This means taking with fatty foods may make any CBD take effect sooner. In addition, having a higher BMI (high body fat) means that CBD may stay in your system longer.

Does CBD Show Up on a Drug Test?

“Will CBD be detected on a drug test?” is another common question associated with the “how long does it last in your system” pondering. And the answer is probably not...but maybe. 


While most drug tests are testing for THC rather than CBD, some do not distinguish between any cannabis-derived products. That means that a drug test could possibly pick up on the fact you’re using CBD products simply because trace levels of THC remain in them.

Nevertheless, because the federal government has a legal threshold of 0.3% for THC, and full-spectrum CBD products fall well below this amount, the risk should be limited (unless your state’s legal threshold is lower).

However, it would be irresponsible of us to say that under no circumstances could CBD ever show up on a drug test. Part of it depends on what kind of test is being done. Now let’s get to another favorite question: How long is CBD detectable in urine?

Let’s find out by looking at common tests for THC:


  • Urine test - This is the most common test and trace amounts of THC (if they’re in your CBD products) may still be detected in urine up to 15 days after last ingested.
  • Hair follicle test - This test, which is extremely uncommon, can reveal trace THC amounts up to 3 months after your last usage.
  • Blood and saliva drug tests - These tests can only show THC traces for a few hours after it’s been taken.

Where Can I Find CBD?

So, we’ve gone through most of what we think you want to know. Oh, and to better articulate the answer to your original question, “how long does CBD stay in your system?” The answer is, generally based on anecdotal evidence, CBD remains in the body’s system for an average of 2-5 days. 


Hopefully, this has helped answer your actual question, as well as the questions you wanted answers to but didn’t really want to ask. When you’re ready to buy premium, consistent, high-quality CBD, check out IGNITE’s collections of oils, creams, edibles, and vapes.