7 Unbelievable Facts About What Caffeine Does to Your Body

Increased Metabolism

Caffeine consumption can boost the body's metabolic rate, increasing the rate in which food in processing. This process can help to burn fat; however, an individual will become used to the effects of caffeine and over time, this will not be a sustainable way to lose weight. Caffeine stimulates the central nervous system of the body, sending messages that tell fat cells to break down stored fat as well as increasing the resting metabolic rate (RMR) by up to 11%. The positive effects on metabolism that caffeine creates are best felt by people who are not obese. This theory was given credence by a study by the American Journal of Physiology that found fat-burning rates could increase as much as 29% in lean or athletic individuals after consuming caffeine and as little as a 10% increase for those considered obese after consuming the same amount. These types of effects are also felt more by younger people, and the effects will not be as pronounced in older individuals. Many pre-workout supplements will also contain caffeine which can help to increase performance and endurance in the gym and improve results.