Which of the following is not a known performance-enhancing side
effect of caffeine?
A. Decreased Fatigue
B. Improved Muscle Contractility
C. Improved Concentration
D. Decreased Heart Rate
E. Enhanced Alertness
effect of caffeine?
A. Decreased Fatigue
B. Improved Muscle Contractility
C. Improved Concentration
D. Decreased Heart Rate
E. Enhanced Alertness