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How much caffeine is in a cup of coffee?

 Have you ever wondered how much caffeine is in the cup of coffee you drink daily? How true, or untrue, are the claims of highly caffeinated coffee? Let’s explore what makes one type of coffee stronger and more caffeinated than the other.

What types of coffee have the most caffeine?

There are hundreds of coffee species in the world but only two types are widely produced and sold today: Arabica coffee and Robusta coffee. Each type of coffee is different from the other in terms of cultivation, shape of the beans, taste, aroma, and caffeine content. As a matter of fact, Arabica coffee has 1.4 – 1.5% caffeine while Robusta coffee contains 2.6 – 2.7% caffeine, almost twice the strength. The type of beans is the major factor in caffeine level. 


Are there other factors that affect the caffeine?

The short answer: not really. There is a misconception that roasting method is the main factor to decide the caffeine content in coffee. Not true. Dark-roasted coffee has the same caffeine as light-roasted coffee because they come from the same type of bean. Unless artificial caffeine is added, the roasting process does not increase or decrease the caffeine in a cup of coffee. The way the coffee is roasted and brewed certainly can make the coffee taste and smell different but the caffeine content inside the coffee beans will not differ. Don’t be fooled in thinking that a more bitter means a stronger coffee. It does not. While drinking darker-roasted coffee you may feel that the coffee is stronger, but the actual caffeine content is no different from medium-roast or light-roast

Another way to increase the caffeine content in your cup of coffee is to change the coffee and water ratio. Most manufacturers recommend one or two tablespoons of ground coffee for every six ounces of water. This is considered the “Golden Rule” for a normal cup of coffee. Just simply add more ground coffee while maintaining the same water level, and you will have a more caffeinated cup of coffee.

How much caffeine is typically in a cup of coffee?

Since there is less than 1.5% of caffeine in a typical cup of coffee, a six-ounce cup contains about 100 milligrams of caffeine. A cup of Robusta coffee can make the caffeine content much higher than one made with Arabica coffee. BuzzBrew Coffee is a blend of fine Robusta beans with a smaller ratio of Arabica. This coffee contains a much higher caffeine level than a normal cup of coffee. As it is blended with Arabica, the coffee also delivers pleasant aroma and a smooth taste.

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Don’t take our word for it.


The taste is wonderful (have to find the correct term).
Mary O. | North Carolina
The taste is the best part of the coffee. It is mellow in flavor. No bitterness. No after taste that lingers in your mouth. I really notice the extra caffeine.
Thomas P. | Minnesota

Experience the difference for yourself.

The perfect combination of the strongest beans
and an expert roasting method.

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