Studies

Caffeine: a double-blind, placebo-controlled study of its thermogenic, metabolic, and cardiovascular effects in healthy volunteers

Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans

Effect of chewing gum containing nicotine and caffeine on energy expenditure and substrate utilization in men

The effect of caffeine, green tea and tyrosine on thermogenesis and energy intake

Effect of moderate intakes of different tea catechins and caffeine on acute measures of energy metabolism under sedentary conditions

Effect of different amounts of coffee on dietary intake and appetite of normal-weight and overweight/obese individuals

A moderate dose of caffeine ingestion does not change energy expenditure but decreases sleep time in physically active males: a double-blind randomized controlled trial

Caffeine treatment prevented from weight regain after calorie shifting diet induced weight loss

Influence of acute consumption of caffeine vs. placebo over Bia-derived measurements of body composition: a randomized, double-blind, crossover design

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