Impact of caffeine consumption on heart rate and blood pressure during rest and exercise

Effect of Caffeine on Cardiorespiratory Parameters in Sedentary, Healthy Young Male Adults

“…ButMousavi A et al found caffeine has no significant effect on maximal oxygen consumption (VO2max). 23 The O2 delivery to the active muscles appears to be the limiting factor in muscle performance. VO2max varies with the level of physical conditioning.…”