Vaping CBD: How to determine the proper dosage

Vaping CBD oil or cannabidiol is growing in popularity as researchers are now identifying more and more of its remarkable health benefits.  It’s been shown to be an effective treatment for chronic pain and muscle inflammation, and scientists now suspect that CBD may be a useful cancer preventative, too.

It’s antioxidant and anti-inflammatory properties also help reduce plaque buildup in the arteries, and CBD is further proven to help manage symptoms related to arthritis, diabetes, and even autism in children.  To be clear, vaping CBD should rarely be confused with vaping marijuana because cannabinoid products have very limited mind-altering properties.  Many, in fact, are completely non-psychoactive. 

Related Article:  5 little-known health benefits of hemp-based CBD

For those who are new to vaping CBD, the fear of accidentally inducing those wild but potentially debilitating feelings of euphoria may often be a chief concern. And as a result, the selection of the proper brand and dosage of CBD to vape can be critically important.  Unfortunately, dosage requirements are not one-size fits.  They typically depend on five primary factors.

  • Method of ingestion
  • Severity of symptoms
  • Body weight
  • Body chemistry
  • CBD base product and strength

Furthermore, cannabinoid reacts with the human body differently from person to person, even if these five factors are each evenly matched among two different people.  According to research conducted at Kings College in London, England, CBD reacts with the body at the molecular level where its bioavailability and resulting effects might vary greatly depending on the individual user. 

What is proper CBD bioavailability?

In general terms, bioavailability simply refers to the amount of time and energy that it takes for a particular CBD product to digest and enter the bloodstream.  For example, edible brownies infused with cannabinoid will usually take longer to digest compared to vaporized alternatives simply because of the extra time needed for the stomach acids to break down the CBD.    

Related Article: Did you know fitness buffs are turning to vaping CBD for better workouts?

Pharmacologists rate vaping to be the fastest method of ingesting CBD oils, followed by oral “drinking” of liquid CBD tinctures (not to be confused with CBD vape oils).  The least effective is edibles, perhaps taking up to three to four times longer for the bloodstream to absorb. 

Calculating the CBD dosage

The vaping of CBD has an approximate bioavailability of 40-50 percent.  This means that the other 50-60 percent is basically destroyed during the digestive, absorption, and distribution processes of the human body.  For example, if the vaper is vaping a 10 mg CBD oil, then she is absorbing approximately 4-5 mg of CBD in total (more regarding calculations below).

CBD products are usually labeled with the mg content on the bottle, just like the nicotine levels of e-liquids are also clearly displayed.  Dosages that are too high can cause unwanted side effect like sleepiness.  Dosages that are too low may produce medicinal effects that are barely even noticeable for the user, which may discourage further attempts at self-treatment through vaporized cannabidiol in the future.

The first step in calculating the preferred dosage is to refer to this simple chart.  According to the Hempure CBD, recommended adult dosages for CBD intake fall into three, weight-based categories.


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The next step is where the math skills come into play.  First, take the number of total mgs of liquid listed on the bottle ÷ the total number of mgs of CBD (also listed on the bottle).  For example, if you buy a 30 ml bottle of CBD oil and it’s said to have 1000 mg of CBD, that’s 30 ml ÷ 1000 mg = 33.333 mg/ml of CBD.

Next, determine the tank size of the vaping device.  Per the above calculation, every milliliter of oil contains 33.333 mgs of CBD.  If the vape tank holds 2 ml of juice, then 2 x 33.333 mg/ml = 66.66 of CBD in your tank.  1 ml of juice produces approximately 100-200 puffs depending on the vaping style of the individual user.

Other factors also come into play when experimenting with CBD dosages, such as whether the CBD oil is hemp-based or cannabis-based and whether the solution is full spectrum or isolate.  The potential psychotropic effects and other unique characteristics of the CBD oil may also depend on these various traits.  For more information on vaping CBD, consult the following article.

Related Article:  Is there a difference between vaping isolate and full spectrum CBD?

(Image courtesy of Shutterstock; chart courtesty of Hempure CBD)

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