Should you run on an empty stomach in the morning?

Nov 05, 2024 Source: Cainiu Health
Dr. Yang Ziqi
Introduction
Running in the morning generally requires an empty stomach, but individuals with conditions such as hypoglycemia or gastric ulcers should avoid running on an empty stomach. Typically, it is recommended to run in the morning before eating. When running on an empty stomach, due to lower glycogen stores in the body, the body utilizes fat more extensively as an energy source, which helps enhance fat-burning efficiency and promotes fat loss.

Generally, individuals who are accustomed to exercising on an empty stomach and are in good health can run in the morning without eating. However, those with conditions such as hypoglycemia or gastric ulcers should avoid running on an empty stomach.

Morning runs are typically performed in a fasted state. When running on an empty stomach, the body's glycogen stores are low, prompting it to use fat as a primary energy source. This can enhance fat-burning efficiency and support weight loss goals. Individuals aiming for weight reduction may choose to perform low- to moderate-intensity aerobic exercise before breakfast.

People who are not used to fasting during exercise or who have poor health should generally avoid running on an empty stomach. For individuals with hypoglycemia, gastric ulcers, or similar conditions, fasting before exercise may lead to dizziness, fatigue, or even fainting.

It is recommended to adjust running routines according to individual circumstances, paying attention to controlling exercise intensity and duration. If any discomfort occurs, medical advice should be sought promptly.

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