The purpose of this study was to examine the effects of red pepper injection and hyperoxic gas inhalation on the energy metabolism during an aerobic exercise. Twenty healthy university students volunteered in this study and performed 60-minute exercise (40% VO_2 max) starting 150 minutes after having a meal either with or without red pepper (0.1g/kg). The hyperoxic gas (30% O_2) was inhaled for 20 minutes after starting exercise. Oxygen consumption, respiratory change ratio (RER), heart rate, temperature of tympanic membrane, body surface temperature, and blood lactate were measured in this study. As the result, no statistically significant difference in both the oxygen uptake and RER was found among three conditions: the aerobic exercise alone, the aerobic exercise and the red pepper, and the aerobic exercise, the red pepper, and the hyperoxic gas. And also, there is no significant difference in the other measurements. It is therefore concluded that there are no combined effects of the aerobic exercise, intake of the amount of red pepper, and the hyperoxic gas inhalation on increasing the energy expenditure and promoting the lipid metabolism.
