Should You Eat Breakfast Before or After Morning Workouts? - Nutrition

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Eating breakfast before exercising in the morning?


Hello! I would like to ask whether it's better to eat breakfast before exercising in the morning or to eat after the workout? Thank you!

Mave, 20~29 year old female. Ask Date: 2003/03/31

Dr. Qi Minghua reply Nutrition


Hello! Whether to eat breakfast before or after exercising in the morning depends on the type, intensity, and duration of your workout.
If it's just a light walk lasting no more than 30 minutes, there is no need to eat breakfast beforehand.
However, for activities such as swimming, tennis, badminton, marathon running, or hiking that last over an hour, it is advisable to eat breakfast before exercising.
This is especially important for individuals with diabetes, particularly if their blood glucose levels are between 80-170 mg/dL, as they should eat breakfast before engaging in any exercise lasting more than 30 minutes to avoid the risk of hypoglycemia, which can be life-threatening.
Since I am unaware of your occupation and health status, if your exercise duration is less than one hour and the intensity is low, it is acceptable to eat breakfast either before or after your workout.

Reply Date: 2003/03/31

More Info


When it comes to the question of whether to eat breakfast before or after morning workouts, the answer largely depends on several factors, including the type and intensity of the exercise, individual health conditions, and personal preferences.

Eating Before Exercise:
For many people, especially those engaging in more intense workouts such as running, swimming, or playing sports for over an hour, it is generally advisable to eat something before exercising. Consuming a light meal or snack that includes carbohydrates and some protein can provide the necessary energy to fuel your workout. This is particularly important for individuals with specific health conditions, such as diabetes, where maintaining stable blood sugar levels is crucial. Eating before exercise can help prevent low blood sugar, which can lead to dizziness, fatigue, and even fainting during physical activity.

A good pre-workout breakfast could include options like a banana with peanut butter, yogurt with fruit, or a slice of whole-grain toast with avocado. These foods provide a quick source of energy and are easy to digest, minimizing the risk of gastrointestinal discomfort during exercise.

Eating After Exercise:
On the other hand, if your workout is relatively light, such as a gentle walk or stretching session lasting less than 30 minutes, you might not need to eat beforehand. In this case, you can opt to have breakfast after your workout. Eating after exercise is essential for recovery, as it helps replenish glycogen stores and repair muscle tissue. A balanced post-workout meal should ideally include carbohydrates and protein, such as a smoothie with protein powder, a bowl of oatmeal with nuts, or eggs with whole-grain toast.

Personal Preference and Body Response:
Ultimately, the decision to eat before or after a workout can also come down to personal preference and how your body responds. Some individuals feel sluggish or uncomfortable exercising on a full stomach, while others may feel weak or fatigued without eating first. It’s important to listen to your body and find a routine that works best for you.

Conclusion:
In summary, if you are planning a more intense workout, it is generally recommended to eat a light breakfast beforehand to provide energy and prevent low blood sugar. For lighter activities, you may choose to eat afterward. Regardless of when you choose to eat, ensure that your meals are balanced and nutritious to support your overall health and fitness goals. Additionally, staying hydrated is crucial, so make sure to drink water before, during, and after your workouts.

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