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Does Coffee Enhance Athletic Performance?

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Michele B |

Espresso, caf­fe lat­te or cappuccino: a 2017 poll reports that 62% of the world's population reaches for at least one coffee beverage every 2-3 days. Many people drink coffee before running because it is said to act as a natural performance booster, helping you run faster and to increase stamina. But is this true?

Coffee Affects the Body in Numerous Ways:

  • Coffee is high in antioxidants and thus boosts your immune system.
  • Your body temperature increases for a short time after drinking coffee because caffeine promotes thermogenesis. And this, in turn, increases your metabolism so you burn more calories.
  • Coffee temporarily raises your blood pressure. This is bad for people suffering from high blood pressure because caffeine causes your heart to beat faster and dilates your blood vessels. Sometimes, people feel like they are having heart palpitations if the coffee is too strong. But if your blood pressure is normal, the beverage can have a positive effect on your heart.
  • Caffeine dilates the bronchioles of the lungs. This means that it relaxes the muscles of the bronchial tubes and thus makes it easier to breathe.
  • Do you often have to go to the bathroom after a cup of coffee? Caffeine temporarily stimulates kidney function. Increased filtering means that your kidneys produce more urine.
  • The caffeine, acids, tannins and bitters in coffee stimulate peristalsis (wave-like muscle contractions of the intestinal muscles that cause bowel movements). If consumed on an empty stomach, coffee can thus get sluggish bowels moving again.
  • Caffeine is also said to have a pain-killing effect. It is used in some medicines as an auxiliary analgesic (for example, against headaches).

Does Coffee Improve Stamina?
Black coffee is a popular natural booster among fitness enthusiasts. A study published in the International Journal of Sport Nutrition and Exercise Metabolism investigated the effect of coffee consumption before endurance training (running and cycling). Athletes were able to improve stamina and performance in five out of nine studies. Plus, caffeine is said to reduce the perceived effort and make it easier to breathe, so you can run faster. Black coffee can therefore enhance your performance before exercising. However, there is no clear evidence that caffeine has a positive effect on muscle strength.

Coffee Before Working Out: It's the Amount That Matters
So how many cups of coffee should you drink before running or working out? An espresso or cup of black coffee before working out is plenty to improve your performance. In total, you shouldn’t drink more than three espressos per day. Large amounts can have negative effects on the body. You also need to see if coffee agrees with you: people with stomach issues often have to be careful about consuming coffee.

Original article by Julia Denner appears on Runtastic
Photo courtesy of Adobe


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