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What Does Caffeine Do?

Caffeine is the primary alkaloid found in green and roasted coffee beans. Common dietary sources include coffee, tea, soda, energy drinks, and chocolate. It stimulates the central nervous system and the autonomic nervous system to prevent drowsiness. Caffeine’s most recognized mechanism of action is temporarily blocking adenosine from entering its receptor. Adenosine makes the body aware of drowsiness, and blocking its receptor induces alertness.

Caffeine is best known for its stimulant properties, but it is also a notable nootropic, performance enhancer, and fat burner. It also supports longevity. Caffeine synergizes with other supplements to enhance the benefits of both.

Potential Caffeine Benefits

Many people start their day with coffee to boost their energy and ward off drowsiness throughout the day. However, caffeine has several other beneficial properties.

Caffeine and Energy Levels

Caffeine boosts energy lives while simultaneously combating fatigue. Blocking adenosine serves two functions. It prevents adenosine from signaling drowsiness, and it increases levels of dopamine. Dopamine helps regulate energy and decrease fatigue.

Pre-Workout Caffeine Benefits

Caffeine is a popular ingredient in pre-workout supplement blends. In addition to boosting energy levels, it enhances athletic performance. Numerous studies have shown that consuming caffeine before exercising increases peoples’ endurance while decreasing their perception of physical exertion. Caffeine enhances physical performance in both younger and older adults, regardless of age, existing fitness levels, and fat levels. Some individuals also experience an increase in their power output following caffeine consumption.

Caffeine as a Fat-Burner

Caffeine increases metabolic rate, which allows individuals to burn more calories while at rest. Caffeine also disrupts typical fat storage while supporting healthy gut microbiota. Caffeine also increases the likelihood of individuals meeting their recommended physical activity levels by boosting energy and reducing fatigue.

Caffeine and Cognition