There is some evidence that working out on a completely empty stomach — or, as researchers call it, "in a fasted state" — prompts the body to burn much more fat and possibly stave off weight gain.
In a historic 2010 study, specialists in Belgium induced youthful, healthy men to stuff themselves for six weeks with a diet consisting of 30 percent more calories and 50 percent more fat than they had been eating. Some remained sedentary while gorging. Others started a strenuous activity routine after breakfast. The third gathering took after the same workout regimen, yet before eating anything.
Toward the end of the six weeks, sedentary group predictably was supersized and horrible, having increased around 6 pounds each. The men who exercised after breakfast likewise stuffed on around 3 pounds each. In any case the men who had exercised first before eating anything had put on no weight.
The outcomes are empowering for the people who would like to shave off a couple of pounds, said creator Peter Hespel, an educator in the Research Center for Exercise and Health at Catholic University Leuven in Belgium.
"We illustrated," he said, "that early morning exercise in the fasted state is more powerful than an identical amount of exercise in the fed state.”
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