Ahh…coffee. It’s our first thought of the day on waking up, and it’s also one of our favourite reasons for taking a break with colleagues in the office: in both cases, we often long for an espresso because we know that its caffeine will immediately boost our physical energy and alertness. But how long do the effects of coffee last? And how long does it take for our organism to feel them? We’ve tried to answer these and some other useful questions below.
The effects of espresso: duration
Caffeine is a chemical compound which, when consumed orally, is fully and rapidly absorbed by the body. The stimulating effect of coffee lasts on average for approximately four hours, but this can vary, from two to eight hours.
In fact, the duration of the effects of coffee varies from person to person. In adults, the half-life of caffeine, that is, the time needed for the body to eliminate 50% of the substance, depends on different factors:
- whether the person takes medication.
- condition of the liver.
- Caffeine stays in the body of a smoker for half the time it remains in that of a non-smoker.
The effects of espresso: peak and metabolism
How long does caffeine take to have an effect? Not long, since it is metabolised quickly by the liver: its effects generally begin a few minutes after consumption. It acts rapidly and the levels of caffeine reach their peak in a period of time that varies from between ten and forty-five minutes after drinking.
Once the substance has been fully assimilated by the organism, the effect of coffee completely disappears. Obviously, the more caffeine you consume, the stronger the stimulating effect it has on your body: on this topic, you might be interested in learning more about the differences between Arabica and Robusta.
What are the effects of caffeine?
But what is it that makes us crave coffee so much as part of our daily routine? If you, like us, are a coffee lover, you’re sure to be head over heels in love with the inimitable flavour only found in real Italian espresso. But it’s not only a question of taste. Caffeine has many effects on the organism when consumed on a daily basis. In fact, it:
- is the largest source of antioxidants.
- is energising.
- stimulates some of the brain functions.
- helps speed up the metabolism.
- contains vitamins from group B, manganese, potassium and magnesium.
- reduces the risk of type 2 diabetes.
- helps prevent Alzheimer’s and Parkinson’s.
As in many areas of life, it’s important not to go overboard quantity-wise: five coffees per day is the maximum quantity allowed by the experts, whereas drinking three cups a day is actually thought to lengthen our lifespan, according to the findings of a study by the International Agency for Research on Cancer (IARC) and the Imperial College in London. And talking of quantity: what type of espresso do you prefer? Discover which type contains the most caffeine between ristretto, short and long