How Much CBD Should I vape?

Vaping is proving a popular way to use CBD, primarily due to the high bioavailability (absorption rate) and short onset to feel the effects.

When vaping CBD you can either use vape e liquids (also called vape juice) or concentrates such as shatter/wax/crumble

Note, most CBD oils used sublingually are not suitable for vapourisers due to the diluent used. Be careful as it could clog up your vape or worse damage your health, but any oils suitable for multi-use will state this quite clearly. To read more about this specific topic check out our detailed vaping CBD guide.

There is no pre-defined dosage when it comes to CBD. Everyone is different when it comes to an amount which works for them. However, the most common way to work this out is to start low and go slow

Meaning, you begin with a small amount and increase the dose incrementally across time until you find your sweet spot, and this way you can work out if you are subject to any common side effects too. 

In the simplest terms, you can inhale a puff, and wait 5 mins to assess how you feel and continue until you find what works for you. However, before doing so, it’s useful to work out how much CBD is in your vape and per puff.

man with glasses and vape clouds

Working backwards

To do this, you need to work backwards to find out how much CBD will be in a millilitre (ml). Let’s start with e juices as these are the most popular format of vaping at the moment.

Look at your vape juice bottle and read the ml in the bottle; usually these are between 10ml to 30ml. Once you have the bottle size, look at the amount of CBD in the container; given in mg (milligrams).

Now we have the two essential elements to figure out how much CBD is in each ml; this is helpful as vape pens, cartridges and tanks all hold different amounts of juice. For simplicity, we are going to assume the cartridge size is 1ml .

Let’s assume our vape juice is 30ml and contains 1000mg CBD. Doing some quick maths indicates we have 33.3mg CBD per ml (1000/30 = 33.3).

Bioequivalence

If you are brand new to CBD and have no benchmarked dose to compare against, instead you can skip to the next step and look directly at how much CBD is in each puff, and use this information to work out your bioequivalent dose when you find your ‘sweet spot’.

Comparing absorption rates of 33.3mg vaped vs 33.3mg used in oil can give some pre-emptive guidance, especially if you already use CBD oils and are looking to try vaping. 

On average, vaping is thought to have 56% bioavailability, whereas oils are assumed to be around between the 15%-30% mark. Using these figures it’s easy to work out the equivalent absorption rate (the equal amount absorbed in the bloodstream given an adjustment in consumption method).

33.3mg vaped gives 18.6mg absorbed into the bloodstream assuming 56% bioavailability.

33.3mg used sublingually gives 9.99mg absorbed into the bloodstream assuming 30% bioavailability. 

1 – (18.6/9.99) = 0.86. Meaning on average, 86% more CBD is absorbed when vaped vs when used sublingually. Thus, you would need 62mg CBD sublingually to have a similar absorption rate as when vaped (33.3*1.83 = 62).

If you are already using CBD oils, checking much you dose can given quick insight into calibrating your ‘sweet spot’ for vaping! You can use the same method as described earlier to work out the CBD mg per ml in an oil bottle too for comparison if needed. All Nature & Bloom products have this information listed on the product detail pages.

vial with liquid pn a table with the lid

CBD per puff

The answer to this depends on what sort of vape device you are using. Innovations in the sector have meant an explosion in the variety of vape pens, components and mods. Wattage also plays a part, as larger vape clouds require more juice which in turn means fewer puffs per cartridge.

If you are using a more advanced vape, with a mod attachment, these usually have puff counters so you can work this out by using your device.

However, if you don’t, then don’t worry. Instead, you can do a rough calculation by using the vape, monitoring puffs yourself and visually checking how much of your juice is left in the tank. 

For example, if you have a 1ml tank with 33.3mg CBD in and you took 50 puffs for half a tank you can estimate that each puff contains roughly 0.33mg CBD (33.3/100).

cbd crumble rock in a glass jar

CBD Concentrates

If you are using a dab pen or generally using concentrates like CBD crumble, then working out how much CBD is in the vape is simple. 

Although you do need an accurate scale to do so, given the potency of concentrates, we recommend one with an accuracy up to 0.01g at the very least.

Weigh out the concentrate to fit your device, and multiply by the concentration e.g Nature & Bloom CBD crumble 0.1g = 97mg CBD as it is 97% CBD (1*0.97).

However, to work out CBD per puff you are going to have to consume the whole amount you put into your device whilst noting the number of puffs. If you use a device with a inhalation counter, then it’s just a matter of looking at the number.

Dosing

Remember to start low and go slow. 

Finding what works for you is more or less trial and error in the first instance, but once you have found it use the guide to switch up consumption methods as you want to. If you need more info on bioavailability check out our post here and for dosing in general click here.

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Disclaimer: Views expressed here do not necessarily reflect those of Nature & Bloom and its staff. This article is not intended to provide medical advice, diagnosis, treatment, cure or prevention for any disease. Nature & Bloom products have not been evaluated by the MHRA.

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