Make the most of your workout by knowing what - and when - to eat (2024)

Eating and exercise: 5 tips to maximize your workouts

Knowing when and what to eat can make a difference in your workouts. Understand the connection between eating and exercise.

By Mayo Clinic Staff

Eating and exercise go together. When and what you eat can be important to how you feel when you exercise. And it's important to think about what you eat when you exercise, whether you're doing a casual workout or training for a competition. Think about trying these eating and exercise tips.

1. Eat a healthy breakfast

Breakfast

Breakfast

Make the most of your workout by knowing what - and when - to eat (1)

Breakfast

A healthy breakfast might include cereal and fruit.

If you exercise in the morning, get up early enough to finish breakfast at least one hour before your workout. Be well fueled going into a workout.

Studies suggest that eating or drinking carbohydrates before exercise can help you do better during your workout. And the carbohydrates may allow you to work out for a longer time or at a higher intensity. If you don't eat, you might feel slow-moving or lightheaded when you exercise.

If you plan to exercise within an hour after breakfast, eat a light meal. Or have a sports drink. Focus on carbohydrates for the most energy.

Good breakfast choices include:

  • Whole-grain cereals or bread.
  • Low-fat milk.
  • Juice.
  • A banana.
  • Yogurt.

And remember, if you usually have coffee in the morning, it's probably OK to have a cup before your workout. Also know that anytime you try a food or drink for the first time before a workout, you risk an upset stomach.

2. Watch the portion size

Be careful not to overdo it when it comes to how much you eat before exercise. General guidelines suggest:

  • Large meals. Eat these at least 3 to 4 hours before exercising.
  • Small meals or snacks. Eat these about 1 to 3 hours before exercising.

Eating too much before you exercise can leave you feeling slow-moving. Eating too little might not give you the energy you need to keep feeling strong during your workout.

3. Snack well

Smoothie

Smoothie

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Smoothie

A smoothie can be a good snack.

Most people can eat small snacks right before and during exercise. The key is how you feel. Do what works best for you. Snacks eaten soon before exercise probably won't give you added energy if your workout lasts less than 60 minutes. But they may keep you from feeling hungry.

If your workout is longer than 60 minutes, it may help to have a carbohydrate-rich food or drink during the workout. Good snack choices include:

  • An energy bar.
  • A banana, an apple or other fresh fruit.
  • Yogurt.
  • A fruit smoothie.
  • A whole-grain bagel or crackers.
  • A low-fat granola bar.
  • A peanut butter sandwich.
  • Sports drink or diluted juice.

A healthy snack is especially important if you plan to work out many hours after a meal.

4. Eat after you exercise

Yogurt and fruit

Yogurt and fruit

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Yogurt and fruit

Yogurt and fruit can be good options for food choices after you exercise.

Fuel your body for everyday performanceClick here for an infographic to learn more

Eat a meal that has both carbohydrates and protein in it within two hours of your workout if possible. Eating after you work out can help muscles recover and replace their glycogen stores. Think about having a snack if your meal is more than two hours away. Good post-workout food choices include:

  • Yogurt and fruit.
  • Peanut butter sandwich.
  • Low-fat chocolate milk and pretzels.
  • Post-workout recovery smoothie.
  • Turkey on whole-grain bread with vegetables.

5. Drink up

Water

Water

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Water

Drinking fluids such as water before, during and after your workout can help prevent dehydration.

Don't forget to drink fluids. You need to have enough fluids before, during and after exercise to help prevent dehydration.

To stay well hydrated for exercise, the American College of Sports Medicine recommends that you:

  • Drink roughly 2 to 3 cups (473 to 710 milliliters) of water during the 2 to 3 hours before your workout.
  • Drink about 1/2 to 1 cup (118 to 237 milliliters) of water every 15 to 20 minutes during your workout. Change amounts related to your body size and the weather.
  • Drink roughly 2 to 3 cups (473 to 710 milliliters) of water after your workout for every pound (0.5 kilogram) of weight lost during it.

Water is generally the best way to replace lost fluids. But if you're exercising for more than 60 minutes, try a sports drink. Sports drinks can help keep your body's electrolyte balance. And they can give you a bit more energy because they have carbohydrates in them.

Let experience be your guide

Remember that the length and intensity of your activity can help you decide how often and what you should eat and drink. For example, you'll need more energy from food to run a marathon than to run or walk a few miles. And try not to add any new products in your diet before a sports event that lasts a long time. It's best to have tried the products before the event to see how your system handles the food.

When it comes to eating and exercise, everyone is different. So notice how you feel during your workout and how your overall performance is affected by what you eat. Let your experience guide you on which pre- and post-exercise eating habits work best for you. Think about keeping a journal to see how your body reacts to meals and snacks so that you can change your diet for your best performance.

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Dec. 21, 2023

  1. Position of the Academy of Nutrition and Dietetics, Dietitians of Canada, and the American College of Sports Medicine: Nutrition and athletic performance. Medicine & Science in Sports & Exercise. 2016;48:543.
  2. Duyff RL. Eat smart for sports. In: Academy of Nutrition and Dietetics Complete Food and Nutrition Guide. 5th ed. New York, N.Y.: Houghton Mifflin Harcourt; 2017.
  3. Water and healthier drinks. Centers for Disease Control and Prevention. https://www.cdc.gov/healthyweight/healthy_eating/water-and-healthier-drinks.html. Accessed Aug. 3, 2021.
  4. Miller M, et al. Sports nutrition. In: DeLee, Drez, and Miller's Orthopaedic Sports Medicine: Principles and Practice. 5th ed. Elsevier; 2020. https://www.clinicalkey.com. Accessed July 29, 2021.

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See also

  1. Performance-enhancing drugs: Know the risks
  2. Daily water requirement

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Make the most of your workout by knowing what - and when - to eat (2024)

FAQs

Make the most of your workout by knowing what - and when - to eat? ›

The closer you eat before a workout, you'll want your foods to be in higher carbohydrates and lower in fats. If you are eating 30-60 minutes before: It is recommended that you eat a high carbohydrate, moderate protein, and low fat snack before exercising.

When and what to eat when working out? ›

Eat a meal that has both carbohydrates and protein in it within two hours of your workout if possible. Eating after you work out can help muscles recover and replace their glycogen stores. Think about having a snack if your meal is more than two hours away.

How do I know how much to eat when working out? ›

How many calories you need for your workouts depends on many factors, including your weight, height, age, and activity level. In general, most people need around 200-300 more calories per day when active. If you are working out regularly, you may need even more.

Does it matter what I eat if I workout everyday? ›

You work out every day— so that means you can eat whatever you want? Is this a true or false statement? The Truth: You can easily out-eat your exercising. It's essential to both work out and eat right for successful weight loss and to maintain good health.

Is what you eat more important than exercise? ›

According to Colleen Alrutz, health and fitness manager at Piedmont Newnan, when it comes to shedding pounds, diet wins 70 percent of the time. To fast-track your weight-loss results, couple a healthy diet with regular physical activity. When it comes to keeping the weight off, exercise wins.

What exercise burns the most belly fat? ›

Exercises to Help With Belly Fat
  • Walking, especially at a quick pace.
  • Running.
  • Biking.
  • Rowing.
  • Swimming.
  • Cycling.
  • Group fitness classes.
Apr 25, 2023

Is it okay to workout on an empty stomach? ›

However, research has shown that exercising on an empty stomach may not be ideal: Exercising on an empty stomach could make the body use protein as fuel, and protein is needed to build and repair muscles.

What happens if I lift weights but don't eat enough calories? ›

Lifting and doing strength training without adequate nutrition, especially without enough protein, can actually lead to loss of muscle tissue. Furthermore, if you aren't eating right you won't have the energy to do the workouts that lead to muscle gain.

Will I lose muscle if I workout on an empty stomach? ›

The truth is that exercising in a fasted state will indeed help you burn fat calories faster. You may see the number on the scale decrease. However, exercising on an empty stomach will also cause you to lose lean muscle mass at the same time, which can hinder long-term weight loss.

What is the best thing to eat after a workout? ›

Here are some delicious snacks to eat after your workout and throughout the day:
  • tuna and crackers.
  • cottage cheese and fruits.
  • pita and hummus.
  • rice crackers and peanut butter.
  • cereal with dairy or soy milk.
  • Greek yogurt, berries, and granola.
  • protein shake and banana.
  • whole grain crackers with string cheese and fruit.
Jun 17, 2024

Which age is best for gym? ›

When to join the gym? Our body goes through several changes as it ages. Our muscles continue to grow larger and stronger in our teen years. At the age of 17-18, our body becomes mature and strong enough to bear the results of vigorous exercises at the gym.

What foods should I avoid when working out? ›

Foods to Avoid During Workouts
  • Whole grains and whole grain products.
  • High fat foods including full-fat dairy and nuts.
  • Meat and poultry.
  • High fiber fruits.
Apr 21, 2022

What should a gym beginner eat? ›

In a diet chart for gym beginners, it's best to focus on a balanced diet that includes a variety of whole foods. Some great options include lean proteins like chicken, fish, paneer, or beans; complex carbohydrates like whole grains, fruits, and vegetables; and healthy fats like avocados, nuts, and seeds.

What is better for weight loss, cardio or weights? ›

A cardio workout typically burns more calories than a weight-training session. A HIIT session can help you burn more calories in fewer minutes. Combining cardio and weights often helps you lose weight, burn fat, and build muscle. Adding a balanced diet also helps you maintain your results and promotes overall health.

How long should you exercise a day? ›

As a general goal, aim for at least 30 minutes of moderate physical activity every day.

Is it best to exercise before or after eating? ›

By exercising when it's been about three to four hours since you last ate, your body is more able to burn fat for fuel because other easier methods of fuel aren't available. Remember, before exercising, check your glucose levels to make sure you're within a safe range to do so—about 100 to 180 mg/dL.

When should I eat when working out to lose weight? ›

Top tips
  1. For women, eating about 90 minutes before exercise is better than eating after if they want to burn fat.
  2. The key message for women is: don't eat carbohydrates immediately after your exercise. ...
  3. It is better for men to eat around 90 minutes after exercise if they want to burn fat.
Feb 26, 2016

Which type of diet is best for the gym? ›

A protein-rich food: Protein helps to build and repair muscles. Good protein sources include meat, fish, poultry, eggs, dairy, beans, soy, and nuts. 2. A carbohydrate-rich food: Carbohydrates provide energy for your body and help to replenish glycogen stores.

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