Caffeine is a stimulant that increases alertness and mental focus. Evidence suggests that caffeine may also increases the body’s pain threshold.
Benefits of Caffeine For Weight Loss
Caffeine acts as an appetite suppressant. If you have an active lifestyle, this means that you’re spending less time thinking about food and more time using the caffeine rush to get your training done!
Caffeine also stimulates your metabolism. This means caffeine increases the rate at which your body burns calories to make heat and energy.
Caffeine is also a diuretic, meaning you pass water more often. However, the flip side of this is that it makes you want to drink more water, keeping your body hydrated and be stopping it from storing water.
Benefits of Caffeine for Training
Glycogen is the principal fuel for muscles and exhaustion occurs when it is depleted (Call it hitting the wall, bonking or other things depending on your sport. A secondary fuel, which is much more abundant, is fat. As long as there is still glycogen available, working muscles can utilize fat. Usually your body will burn fat during low intensity exercise (ie the fat burning zone) but switch to glycogen as the intensity rises.
Caffeine helps to mobilise fat stores and encourages working muscles to use fat as a fuel instead of glycogen at higher intensities. This delays the depletion of muscle glycogen and allows you to exercise longer to exhaustion. You may then find that your muscles are not nearly as sore, as the energy is expended from fat cells instead of muscle.
Further benefits of Caffeine
In addition to the beneficial effects on muscle, caffeine may alter the perception of how hard you are working. During testing, athletes are asked to judge their effort, which is referred to as the rating of perceived exertion (RPE). Some studies have yielded significantly lower RPE’s — less fatigue — when the athlete used caffeine. This might not be directly diet related, but in terms of fat loss, if your pain tolerance is higher, you can lift weight heavier and/or longer, giving you a better workout.
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