General

How Long Does CBD Oil Stay in Your System?

  • The amount of time CBD remains detectable in the body depends on several factors.
  • One study found that the estimated half-life of CBD in the blood was two to five days for daily consumers.
  • Sublingual administration is considered to be more effective than ingestion.
  • In most cases, it’s highly unlikely that CBD oil will lead to a positive drug test result.

You’ve probably heard about the therapeutic relief that cannabidiol (CBD), a non-intoxicating compound found in the cannabis plant, may offer for various conditions, from chronic pain to anxiety issues. While many people could benefit from using CBD, they may be reluctant to try it due to the fear of failing a drug test or the general stigma that still surrounds cannabis in some places. What are the effects of CBD?

While CBD does not produce the same intoxicating effects as THC, it does get stored in the body. Most cannabis drug tests only screen for THC, but some people may still want to know how long does CBD stay in your system?

Despite the legalization of hemp-derived CBD products in the U.S., there is still a need for further research into how CBD interacts with the body.
Photo by: Gina Coleman/Weedmaps

Despite the legalization of hemp-derived CBD products in the U.S. thanks to the 2018 Farm Bill, there is still a need for further research into how CBD interacts with the body, as well as the amount of time it remains detectable in the body after use.

However, using existing research on CBD and its interaction with the human body, we can attempt to better understand how long CBD oil stays in the system.

How Long Does CBD Oil Stay in Your System?

The time that CBD remains detectable in the body will depend on several factors:

  • Metabolism: A person’s metabolism plays a prominent role in how fast the CBD is metabolized and eventually excreted from the body. Another aspect that could impact the effects of CBD is whether it’s taken with food or on an empty stomach, as certain foods could enhance bioavailability and increase overall CBD concentration in your body.
  • Frequency of Use: How often CBD is used will also influence the amount of time it remains in the body.
  • CBD Dosage: The amount of CBD taken at a time will influence how long the cannabinoid remains in the system.
  • Method of Administration: Both the effects and presence of CBD in the body are also contingent on how the cannabinoid was introduced into the body. For instance, smoking or vaping CBD allows it to take effect almost immediately, while ingestion will delay the onset for an hour or two.   

In a randomized, double-blind, controlled 2005 study published in “Therapeutic Drug Monitoring,” volunteers were given cannabis extract with 2.5 milligrams of THC and 1.35 milligrams of CBD. The research team found that CBD was only detectable in the blood for up to nine hours after ingestion.

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