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September 01, 2022 5 min read



The effects of CBD on a person's system might last anywhere from a few hours to around a month. This is dependent on the dosage, body mechanism and administration method.

According to research, taking cannabidiol (CBD) may have various possible health advantages, including easing anxiety, treating pain, and increasing sleep, which explains the recent rise in CBD's popularity. However, those who use CBD frequently or infrequently may be curious about how long it remains in their body. How it was delivered, the amount taken, and how often it was used are all variables that could affect the outcome. CBD dose may continue to act for a few hours, and the cannabinoid may stay in the body for days or weeks.

Factors That Influence How Long It Remains in the Body

The duration of CBD in your body depends on several factors.

Quantity of Use

Higher doses of CBD, like most other drugs, results in a longer duration of effects.

Use Frequency

 When CBD is used frequently, it will accumulate in the body. Therefore, you should utilize it for at least a week to determine its effectiveness. Use it sparingly, and it will leave your system more quickly.

The Body

The human body is highly individualistic. That's why some people respond positively to CBD while others don't. Your BMI, water content, and metabolism are just a few factors that might affect how long CBD stays in your system.


CBD's peak blood concentration is delayed but often higher after a meal than when taken on an empty stomach. Notably, CBD is eliminated from the body more slowly when it is digested. 

Method of Usage

Cannabidiol (CBD) can be consumed in several forms. The approach you select determines how quickly the effects will kick in and how long they will last. Various kinds of CBD include Pills and capsules, oils and tinctures, creams & lotions for vaping. Choi et al. (2021) noted that vaping CBD causes the compound to reach the lungs, where it has an immediate impact. Similarly, it is quickly eliminated from the body. Medications such as oils and sublingually administered tinctures have a greater impact and duration of action. Edible versions of CBD require time for metabolism in the digestive system. Additionally, the absorption and elimination processes of creams and lotions are sluggish.

How Long Does It Take for the Effects to Kick in

It is difficult to predict the onset and duration of CBD's effects due to variables such as dosage, manner of administration, and body composition. The benefits of CBD usually take effect 15 minutes after vaping or taking it sublingually. The effects of edibles and topical treatments may not be felt for up to two hours, due to digestion.

How Long Is CBD Detectable In Urine

Although studies on CBD's half-life in the blood are many, there is less information on how long it may be detected in the urine. Wertlake & Henson (2016) used CBD-rich cannabis flower, pills, and oils. All the 15 test subjects had detectable levels of CBD in their urine 2 hours after dosing. According to the research, no detectable amounts of CBD were found in the participant's urine after 24 hours. It's worth noting that while there's evidence to suggest that CBD remains detectable in the body for some time, the vast majority of drug tests only look for THC. This means that, unlike THC, reliable data on how long CBD persists in the body is still scarce.

Will CBD Show Up On a Drug Test

THC, occasionally but not usually present in CBD products, will show up when tested for drugs. It's what causes the "high" sensation. Bonn-Miller et al. (2017) stated that although CBD is legal, many CBD products still contain small levels of the psychoactive drug, THC.. It's possible to fail a drug test if you use a product that contains or is of low quality. Choose carefully among the available CBD products if you're worried about getting high. Here's a quick guidance:

  • Full-spectrum CBD: Full-spectrum CBD extracts include all of the cannabinoids found in the source plant, including THC.
  • Broad-spectrum CBD: This is comparable to full-spectrum CBD, but a procedure removes THC.
  • CBD isolate. This option has CBD without any other cannabis derivative.

To get the full benefits of cannabidiol, choose a product made from hemp rather than marijuana. CBD generated from hemp must comply with federal regulations mandating a THC content of 0.3% or less.

How Long Does CBD Stay in Your Saliva

Saliva screenings for CBD or THC are almost as uncommon as hair tests for employment or legal purposes. Based on the dose and usage, the drug's components may be detectable in the system within minutes of ingestion and remain there for up to 36 hours. Like the others, this test may identify CBD use for a longer period if you use CBD products frequently and in big doses.

How Long Does CBD Stay in Your Blood

While urine tests are more commonly used for screening for CBD and cannabinoids, blood testing can be employed to determine THC metabolites. Given how rapidly THC is flushed from your system, breathalyzers are not the method of choice for drug screening. The half-life of THC in plasma is roughly 5 hours. THC metabolites and CBD may be detectable for up to a week.

For How Long Does CBD Remain in Your Hair

Hair tests are well-known for their prolonged drug detection capabilities. Moosman et al. (2015) noted that THC metabolites can be detected in CBD using these methods at least three months after delivery. Hair testing for cannabinoids like THC and CBD is quite unusual.


Numerous variables make it difficult to determine how long CBD lingers in your system. Nevertheless, available data shows that CBD may persist in your system from 24 hours to a few weeks. Variables such as metabolism, route of administration, frequency of usage, and dosage might affect the duration of an effect. For individuals worried about drug tests, there are various kinds of tests with various THC detection limits. Urine testing is widely utilized because of its lower detection limit for drug abuse. 


Bonn-Miller, M., Loflin, M., Thomas, B., Marcu, J., Hyke, T., & Vandrey, R. (2017). Labeling Accuracy of Cannabidiol Extracts Sold Online. JAMA, 318(17), 1708. https://doi.org/10.1001/jama.2017.11909

Choi, H., Lin, Y., Race, E., & Macmurdo, M. G. (2021). Electronic cigarettes and alternative methods of vaping. Annals of the American Thoracic Society, 18(2), 191-199.

Moosmann, B., Roth, N., & Auwärter, V. (2015). Finding cannabinoids in hair does not prove cannabis consumption. Scientific Reports, 5(1), 1-6.

Wertlake, P., & Henson, M. (2016). A urinary test procedure for identification of cannabidiol in patients undergoing medical therapy with marijuana. Journal Of Pain Research, 81. https://doi.org/10.2147/jpr.s96856.