From: The acute effects of thermogenic fitness drink formulas containing 140 mg and 100 mg of caffeine on energy expenditure and fat metabolism at rest and during exercise
Age (years)
22.9 ± 0.7
Height (centimeters)
167.1 ± 1.4
Weight (kilograms)a
68.8 ± 2.0
Body fat (%)a
24.0 ± 1.2
Total energy intake (kcal)a
1918 ± 127.6
Caffeine intake (g/week)
832 ± 69