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Is it really good to drink coffee before exercise? Which is more important, fat loss or survival?

Published: 2026-04-27 Author: World Gafei

Last Updated: 2026/04/27, It was previously reported that drinking a cup of coffee before exercise can help burn 15% more calories during exercise. Many sports lovers, especially those who lose weight, regard it as a lifesaver and drink coffee before exercise. Is that true? Really, caffeine can make us burn more fat during exercise, but if we do, we will really lose it.

A previous study found that drinking a cup of coffee before exercise helped burn 15 percent more calories during exercise. Many exercise lovers, especially those who lose weight, use it as a lifeline and drink coffee before exercise.

Is that true?

It's true that caffeine can make us burn more fat during exercise, but if we do, we're really missing the watermelon and picking the sesame seed, because drinking coffee before exercise may have adverse effects on the heart.

Swiss researchers found that caffeine restricts blood flow to the heart muscle during exercise. The researchers monitored 18 healthy young adults and found that caffeine did not affect blood flow to the heart muscle when not exercising, but after taking caffeine tablets, blood flow to the heart muscle decreased by 22% at normal pressure. The reason is that caffeine blocks specific receptors in the blood vessel wall, which may interfere with the transmission of vasodilating signals, thereby reducing blood flow to the heart muscle and affecting the body's oxygenation.

We also received feedback about chest congestion after coffee drinking, which confirms the Swiss study. Severe myocardial ischemia can lead to sudden death, advise everyone to choose life-saving in fat reduction and life-saving!

You can't drink coffee before exercise, but there are some benefits to drinking coffee after exercise.

An article published in the Journal of Applied Physiology examined the benefits of caffeine intake after exercise. The results suggest that caffeine intake after exercise improves endurance, which is beneficial for athletes who need to train every day. The study found that people who ate caffeine and carbohydrates produced 66 percent more glycogen in their muscles during high-intensity exercise than those who ate carbohydrates alone. Glycogen in muscles provides energy during exercise, increasing muscle strength and endurance.

Therefore, the correct approach is to exercise first, exercise after a cup of coffee with friends about! Because of a lot of sweating in exercise, resulting in body water shortage, exercise should also drink more white water, prevent coffee diuretic effect accelerated body water shortage!

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