2024-03-07 10:06:17
The human body obtains energy from food through a process that converts carbohydrates, fats and proteins into adenosine triphosphate (ATP), the energy currency of cells. Among those that provide these benefits to the body, caffeine is one of the best known and we can find it in coffee, chocolate and tea.
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Popular belief indicates that drinking a “strong” cup of coffee every morning will help you have a day with lots of energy and less fatigue. On the subject, health professionals highlight that understanding how caffeine works in our body is crucial to maximizing its benefits and minimizing its risks.
How caffeine delays fatigue in people
Caffeine acts as a fat metabolism enhancer. It stimulates the release of adrenaline, which in turn activates enzymes responsible for breaking down stored fats into fatty acids, which are then used as a source of energy, indicates David Varillas Delgado, Professor of Physical Activity and Sports Sciences (CAFyD) at the Francisco de Vitoria University. This process increases fat oxidation, allowing the body to use this substrate more efficiently during physical exercise.
Additionally, caffeine blocks cellular receptors for adenosine, a chemical involved in regulating sleep and fatigue. By inhibiting these receptors, caffeine delays the feeling of fatigue, allowing for greater physical performance for longer periods.
Although caffeine can improve fat oxidation and increase physical performance, it does not necessarily lead to weight loss on its own. Weight loss requires a caloric deficit, where calorie intake is less than calories expended. In addition, other factors such as hormones and lifestyle also influence weight loss.
What is the dose of caffeine that should be consumed per day
The effective dose of caffeine to increase fat oxidation is usually at least 3 mg/kg body weight. However, the response to caffeine can vary depending on each person’s individual sensitivity. It is important to customize the dosage to maximize benefits and minimize side effects.