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how long does cbd oil last in your system

The consumption method plays a crucial role in determining how long it will take to feel the effects of CBD and how long they will last.

Inhalation, via CBD vapes or smokable flower, is also an effective delivery method for CBD. Photo by: Gina Coleman/Weedmaps


Bottom line: Consuming CBD products sublingually leads to higher bioavailability compared to consuming CBD products orally. Depending on the dose and your response to CBD, the effects from sublingual consumption should kick in within 30 minutes and last for one to three hours.

Bottom line: Existing evidence suggests that CBD reaches peak blood concentration within three minutes after inhalation, meaning any effects should be felt shortly after use. The effects should then last anywhere from 45 minutes to a couple of hours.

Bottom line: Whether you’re ingesting CBD oil or CBD-infused edibles, it ultimately goes through the same lengthy digestive process, reducing the total CBD concentration in the bloodstream. With ingestion, it could take anywhere from one to two hours before the effects of CBD finally set in. From there, you may feel the effects for one hour to several hours, depending on the dose and your response to CBD.

This chemical compound, also known as cannabidiol, is one of the many cannabinoids contained in the cannabis plant.

THC is used for medicinal and recreational purposes, and it makes people feel high. CBD may cause mild sedation when someone takes a very large dose, but it does not produce the same type of mind-altering effects that THC does.

The Effects of CBD When You First Take It

“The size of the dose plays a lot into how long CBD stays in our bodies,” Dr. Flannery explained. “Let’s assume an average person consumes 5 milligrams. 24 hours later, there will be 2.5 mg of CBD in that person’s system. 48 hours after the initial dose, there will be 1.25 mg still in their system. But what if instead of 5 milligrams, someone were to consume 20 mg of CBD? It would take 48 hours just to get back down to 5 mg, assuming the individual hasn’t continued dosing.”

The end result is a potent liquid. Tinctures are always alcohol-based, and oils are always oil-based. Tinctures are meant to be taken sublingually, meaning dropped under the tongue. If you’re attempting to use a tincture sublingually, you will want to hold the liquid beneath your tongue until it’s fully dissolved. That allows your mucous membranes to absorb the maximum possible amount of CBD.

For example, are you swallowing the oil or administering it sublingually? Sublingual use provides higher bioavailability and will take effect much faster, since the cannabidiol is moved right into the bloodstream. If you swallow CBD oil, some will be stored in fat cells until it’s metabolized.