Fyred // Extreme Fat BurnerCaffeine: Energizing the Body and Mind Fyred by Axe & Sledge contains a significant dose of caffeine, a well known stimulant that plays a crucial role in enhancing mental alertness and physical performance. Caffeine works by blocking adenosine receptors in the brain, reducing the feeling of fatigue and increasing the release of neurotransmitters like dopamine and norepinephrine, promoting a heightened sense of focus and energy. Increased Energy