Effect | Increase |
Trial Design | Double blind |
Trial Length | 24 hours |
Number of Subjects | 30 |
Sex | Both Genders |
Age Range | 65+ |
Body Types | Untrained |
Persons over 70 were recruited to consume 6mg/kg bodyweight caffeine prior to an hour long cycling endurance exercise.
Insulin resistance increased (ie. sensitivity decreased) due to a conversion of metabolic substrate towards fatty acids; increases in free fatty acids, adrenaline and noradrenaline, and lactate were significantly more than placebo.