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Is Fasted Cardio Good For You?

Fasted cardio is cardio that is done first thing in the morning on an empty stomach. So is this good for you or not? I will explain, but first we need to cover a few technical details.

How Your Body Uses Energy

Your body uses two main pathways for energy. One is known as the anaerobic pathway, and your body uses this for high intensity exercise such as HIIT, weights and short interval training. The main fuel for this type of exercise is glycogen (which comes from carbs) and creatine phosphate.

The other pathway is known as the aerobic pathway, and your body uses this for low to moderate intensity exercise such as power walking. The main fuel for this type of exercise is glycogen and fat.

When you start any type of exercise, you will be in this aerobic / fat burning zone. As your exercise intensity increases, you will switch over to the anaerobic pathway at a certain point. The fitter you are, the longer you can stay in this fat burning zone.

how to get a flat stomachBurning Fat

When you do cardio at a low to moderate intensity, the body’s preferred fuel is glycogen (carbohydrate) first, and then fats. However, the longer you exercise, the more fat your body will burn.

So to finally answer the question – it IS beneficial to do fasted cardio. This is because you have not eaten anything for a fairly long period of time, so there is not much glycogen (carbs) stored in your body, and as a result, you will end up burning more fat. Fasted cardio works better if you haven’t had a lot of carbs to eat for dinner.

It is best to do low to moderate intensity cardio in the morning. If you tried to high intensity exercise, your body would not have as much energy for it. Therefore you would not be able to do as well during your workout. If you are fit, you would likely still burn more fat doing higher intensity fasted cardio, but it is generally not recommended.

Long, slow cardio is not the most effective way of losing weight. However it IS beneficial to lean out your legs. You will not gain muscle doing this type of exercise, but you won’t necessarily lose muscle either. Read more about how to use fasted cardio to lean out your legs here.

fasted cardio

Find out more about my eBooks that are tailored to leaning out legs here xx

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