The cup is brewing with the caffeine.

Caffeine has specific effects, and in casual language, we hear everyone say,’I could do with a cup of coffee.‘ After all, Caffeine stimulates the brain and nervous system. Once the brain and nervous system are stimulated, we tend to be more active in completing tasks. It is consumed in many forms, as it is in coffee, tea, and energy drinks. If you love chocolates, it also contains caffeine. 

People often wonder, ‘Is caffeine a drug?’ or ‘How much caffeine is dangerous?’. Well, these are the right questions as caffeine effects are real, and it has direct connections with how much coffee we drink. As we would expect, the amount of coffee varies because of different coffee beans, serving sizes, and the type of coffee that you are drinking.

The amount of caffeine in different coffee types

As mentioned earlier, the amount is different in different types of coffee due to the nature of coffee beans. Let’s see how they differ.

Brewing coffee

Brewing is a very common coffee in the US and Europe. Since it is so common, people also call it a regular coffee. Brewed coffee is brewed in hot water, as boiling water is poured over ground coffee beans to extract the soluble particles.

One cup of brewed coffee contains about 70–120 mg, or if you about 95 mg on average.


A cup of espresso contains between 30-65 mg per espresso. Espresso is made by forcing a small amount of hot water, or steam, using ground coffee beans. If we compare the caffeine serving of espresso with brewing coffee, it has more caffeine per volume but espresso servings are small, so you consume less caffeine.

If you go for a single espresso shot, your intake is 30-50mg, and if you go for a double shot of espresso, your intake is 60-100mg.

Instant Coffee

Instant coffee is a derivation of brewed coffee as the beans of instant coffee are freeze-dried or spray-dried. therefore, instant coffee is available in small grains which instantly dissolve in hot water, hence the name instant coffee. For 100 grams of instant coffee, the instant coffee is 26 mg.

How much caffeine is in a cup of coffee?

It’s a simple math question, and it has a very simple answer. If your coffee cup contains 100 grams of coffee, the amount is 40mg.

How much caffeine should your coffee have?

If you drink too much coffee or are health conscious, then it’s good to know about caffeine side effects. The instant effect is on your general health. If you are a healthy person, you can take up to 400 mg per day.

But if you take more, then it can have very adverse effects affecting you indirectly from which you are trying to run away directly. For example, it can cause anxiety, sleep disruptions, heart palpitations, headaches, and restlessness. We already discussed in detail how much Germans love coffee, when it comes to coffee vs tea caffeine effects. As always, too much of everything can have bad effects, so normal is always better.

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