caffeine in e-cigs

E-cigs and Caffeine

Published On May 21, 2014 | By Nicole | About E-Cigarettes Articles

E-cigs and Caffeine

If you have done much shopping for E-cigs at all, then you have probably become aware of the fact that you can actually buy E-cigs that contain caffeine instead of nicotine.

Caffeine is, of course, a stimulant that can be found in tea and coffee plants. It stimulates the central nervous system, and is probably most well-known for its presence in drinks like coffee, caffeinated sodas, and energy drinks… though lately it has also made an appearance in the electronic cigarette market as well.

The idea behind caffeinated electronic cigarettes is that if you could inhale the stimulant as opposed to drinking it, you may be able to reap the same benefits from vaping as you reap from drinking coffee, soda, etc. There are many different types of E-cigs out there nowadays that contain caffeine instead of nicotine… but do they really work, and are they safe?


Caffeine Safety

One big question being asked about caffeine infused E-cigs is whether caffeine is any safer or more dangerous than nicotine. As it turns out, the two are interestingly similar… except for the fact that nicotine is toxic in much smaller quantities than caffeine. It would take about 50 to 60mg of nicotine to cause death from overdose in a 160 pound human being, while it would take about 10,000mg of caffeine to achieve a similar effect. (source:

In this sense, it would seem that caffeine might be a very suitable substitute for nicotine, and that it would make perfect sense to include it in an E-cig instead of the tobacco-derived stimulant that cigarettes and E-cigs alike are known for… though the question then becomes ‘will it really work in such low doses’?


Can caffeine be absorbed into the body like nicotine?

This, as it turns out, is a very interesting question that a lot of people disagree about! At first glance, it may seem like inhaling vapourized caffeine through the lungs would be more effective than ingesting it through the digestive system, though there are also a lot of people out there who say that this does not provide an entirely accurate picture of what is going on when you vape a caffeine-based e-liquid.

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As it turns out, many people seem to agree that, since the vapourizing point of caffeine is much higher than that of water, you are not actually inhaling vapourized caffeine into your lungs when you vape, but that you are actually just transporting it to your mouth where it is ingested normally.

There is a lot of complicated science that goes into determining exactly how caffeine is absorbed by the body in regards to E-cigs… and it seems to be a topic of hot debate among vaping science enthusiasts. Long story short, however, evidence does seem to support the fact that vaping a caffeine-infused E-cig has a stimulating effect. Users report that it makes them feel more alert and more awake, much as they would feel after drinking a cup of coffee… though it doesn’t last quite as long.


Tips for buying caffeine E-cigs

If you’re on the market for a new E-cig or e-liquid that can give you a bit of a caffeine boost, then here are some tips to keep in mind. First of all, always make sure to check out some customer reviews before buying any E-cig, just to make sure that you are not getting something that you are going to regret buying later on. Second, pay attention to the ingredients. As it turns out, caffeine-infused E-cigs that also contain Taurine (an ingredient common in many energy drinks) may actually work better than E-cigs with caffeine alone… so that is something that you may want to keep an eye out for.

If you own an advanced personal vapourizer or tend to refill your own cartomizers, then you might be on the lookout for e-liquid with caffeine instead of an entire new E-cig. There are many different types of flavours available that contain caffeine as opposed to nicotine, ranging from coffee flavours to flavours that resemble that of an energy drink. A bit of shopping around will most likely reveal a wide range of choices.


Caffeine Safety

Studies seem to indicate that amounts of up to 400 mg of caffeine per day do not present much of a concern. Once you go above 500 or 600 mg per day, you could begin to see a few side effects. Some of these include insomnia, nervousness, restlessness, irritability, upset stomach, fast heartbeat, and muscle tremors.

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Of course, it would be very, very difficult to get this much caffeine from vaping alone, even if you were a heavy vaper. Still, always vape and consume caffeine in controlled amounts. Try to use common sense and moderation, and do your best not to consume so much caffeine that it begins to interfere with your normal sleep cycle.

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About The Author

Nicole It's my passion to do the research about familiar to me topics, especially when it comes to electronic cigarettes and the whole vaping industry as such. I hope you will find my content useful and when / if you do - please do share it! I will appreciate it! :) See our ''Who We Are'' page to find out more about me and my colleagues. Thanks and I look forward to your comments and feedback.

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