At the end of the day, it’s not worth running on an empty stomach if your goal is to burn fat.
That’s because your body is more likely to pull energy from your muscles to fuel your run.
If you’re trying to gain muscle or even just preserve it, don’t take a chance by running while fasted.
Is it OK to run in the morning on an empty stomach?
Many folks can do moderate runs lasting less than an hour on an empty stomach with no problem. If you don’t have time to eat and digest before running or you just don’t have an appetite first thing in the morning, fuel up with something smaller that you can eat right before heading out.
What happens when you run on an empty stomach?
This is a myth about running on an empty stomach. The theory is that if you don’t provide any fuel prior to your run, your body will immediately turn to fat stores for energy. If your goal is weight loss, you’ll burn more calories both before and even after your run with higher-intensity exercise.
Is it OK to workout on an empty stomach?
Exercising on an empty stomach is what’s known as fasted cardio. The theory is that your body feeds on stored fat and carbohydrates for energy instead of food you’ve recently eaten, leading to higher levels of fat loss. Working out on an empty stomach could also lead your body to use protein as fuel.
How long until your stomach is empty?
4 to 5 hours