How much caffeine in a cup of coffee?

Hoeveel gram Cafeïne zit er in koffie

Caffeine, we all know it. It keeps us going on a busy working day. One drinks a lot of it in a day, the other a little less.

Caffeine can be found in all kinds of drinks, such as coffee, energy drinks, but caffeine can also be found in tea and chocolate. So it is a substance that we encounter in many drinks, but what are the amounts and what is the effect?

How much caffeine is in coffee?

Espresso (30 milliliters, ml): 39 milligrams (mg)
Lungo (80 milliliters, ml): 96 milligrams (mg)
Cappuccino (30 milliliters, ml): 39 milligrams (mg)

Coffee has 130 milligrams (mg) of caffeine per 100 milliliters (ml) when drunk from freshly ground beans. Filter coffee contains 70 milligrams (mg) of caffeine and instant coffee contains 50 milligrams (mg) of caffeine per 100 milliliters (ml). However, do the coffee drinks compare to other caffeinated drinks?

How many grams of caffeine are in RedBull?

Energy drinks like RedBull contain about 30 milligrams (mg) of caffeine per 100 milliliters (ml). Compared to coffee, this seems very little, but in addition to caffeine, there are many other active substances in energy drinks that, when combined, can have a great effect on the caffeine content. A full can of RedBull contains 80 milligrams (mg) of caffeine.

How much caffeine is in tea?

Yes, you read that right. Tea also contains caffeine, but in a different amount and has a different name. The type of caffeine in tea is called theine. For example, black tea contains 30 milligrams (mg) of theine per 100 milliliters (ml) and green tea contains 15 milligrams (mg) of theine per 100 milliliters (ml). You would think this wouldn't have much of an effect on your body. Still, tea does contain enough caffeine to have an effect on your body.

What is the effect of caffeine on my body?

Uplifting effect
When ingesting caffeine from soft drinks, energy drinks or other drinks, the drinker gets a stimulating effect. This invigorating effect is accompanied by a higher heart rate and breathing.

Performance enhancing
Research has shown that 3-6 milligrams (mg) of caffeine per kilogram (kg) can improve performance during intense exercise. Coffee intake can also improve concentration at work.

Habituation
When caffeine is taken regularly, the body quickly gets used to it and its effect diminishes. If you drink constantly during the week and not at the weekend, this will possibly result in headaches, fatigue and trembling hands.

Caffeine doesn't have to be bad at all! Only use it in moderation! It is advised not to consume more than 400mg of caffeine per day.