BLOG: Extra fat burning on an empty stomach?

A trend that gets much attention lately is to do cardio training in the morning on an empty stomach. The idea is to burn more calories this way from fat instead of carbohydrates. This would be an effective way to boost your fat burning!

How about this?

There are a number of theories why this PERHAPS can be effective for short-term fat loss.

1. A theory is that the hormone cortisol (also called a stress hormone) converting fat into energy promoted. And because during the awakening cortisol release would cardio workout on an empty stomach thereby provide a higher fat burning.
2. Another theory would be that because your metabolism stays active while you sleep, there would therefore be available less carbohydrates in the morning for fuel. This allows your body would depend on fat as a primary fuel.

Cardio training in the morning on an empty stomach, however, would at best a short-term technique can be for a specific purpose, for example, think of bodybuilders who want to reduce their body fat right before a competition. Choose in this case for a cardio workout at a low intensity at which you do not get really out of breath and so can just keep talking.

However, although there are studies that support this theory, there are some specific reasons why it is so NOT a good choice would be for the long term.
1. In addition to the possible increase of your body, on an empty stomach, the body can also be used as a fuel proteins resulting in less protein are available for repairing and building of muscle tissue. Less muscle ultimately means a lower resting metabolism.
2. On an empty stomach, it is difficult to squeeze out an optimal training. Your energy level is just a bit lower, making it difficult to outdo your previous workout. The idea is of course that you are making progress and is always better.

If weight loss is your goal that you want to lose as much fat as possible, it is much more important to look at your energy consumption over 24 hours and not looking at one particular time of day. Do you work out on an empty stomach but you eat and drink the rest of the day more calories than you consume, then yes, you come so simply.

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Source: American Council on Exercise