Can I skip meals after a workout?

Author: Dr. Alexis Sipes  |  Last update: Tuesday, May 20, 2025

Knowing what to eat after a workout can aid your body in refuelling, rehydrating, and recovering from exercise, as well as rebuilding your muscles. You don't need to eat a lot after your workout, but skipping meals is a mistake.

Is it bad to skip a meal after working out?

Skipping a post-workout meal can lead to muscle breakdown, reduced energy, and slower recovery. To maximize your workout performance and recovery, it's recommended that you eat a meal or snack containing both protein and carbohydrates within 30 minutes to an hour after your workout.

Is not eating after a workout okay?

Skipping a post-workout meal can lead to muscle breakdown, reduced energy, and slower recovery. To maximize your workout performance and recovery, it's recommended that you eat a meal or snack containing both protein and carbohydrates within 30 minutes to an hour after your workout.

Do you lose gains if you don't eat after a workout?

Eat after you exercise

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.

Is it a must to eat right after workout?

Yes, it is generally recommended to eat after working out. Consuming a balanced meal or snack after exercise helps replenish energy stores, repair muscles, and support recovery. Include a combination of carbohydrates and protein in your post-workout meal or snack for optimal results.

The Pre and Post Workout Meal Myth – DO'S and DON'TS – Dr. Berg

What happens if you workout but don't eat enough?

Overtraining and undereating can not only cause you to lose efficiency, but it can also cause you to lose muscle mass. If you have weight loss goals, eating less may sound like a good idea, but if it doesn't align with your fitness goals, you won't see the results you're hoping for.

Is it okay to eat 30 minutes after working out?

You burn a lot of carbohydrates — the main fuel for your muscles — when you exercise. In the 30-60 minutes after your workout, your muscles can store carbohydrates and protein as energy and help in recovery. Eat healthier sources of carbohydrates such as whole-grain pasta, whole-grain bread, or brown rice.

Will I lose muscle if I skip a meal?

Recent research suggests that intermittent fasting (IF) does not negatively impact sports performance or lean muscle mass more than any other diet. “But still, the goal is to maintain your health and minimize muscle loss with the right blend of diet and exercise,” explains Kate.

Do you burn more calories if you don't eat after a workout?

Most adults do not need to eat back their exercise calories because they are doing moderate activities, like walking, biking, swimming, weight-lifting, etc. These activities do not burn enough calories to require a post-workout snack, particularly if weight-loss is the intended goal.

What happens if I workout without eating?

Is Working Out On an Empty Stomach Bad for You? According to Roper, fasted exercise is generally safe for most people, but it may lead to side effects. “Because blood glucose gets depleted during fasting cardio, you can experience some side effects including lightheadedness and dizziness,” she said.

Will I lose fat if I don't eat after a workout?

However, given that we all have to eat, it is better for men to eat after exercising if they want to burn fat. This is because, after exercise, men will use that carbohydrate to replace the carbohydrate in their muscles rather than burn it for fuel and will continue to burn fat instead.

Is it better to workout fasted or fed?

Schlichter points to a review of 46 studies published in the Scandinavian Journal of Medicine & Science in Sports, which found that eating before exercise was beneficial for performance for aerobic workouts lasting more than an hour—though fasting before shorter workouts wasn't found to be detrimental.

Why am I starving after a workout?

Exercise burns calories, uses up your glycogen stores and stimulates your appetite. It also dehydrates you and if you don't drink enough water before, during and after your workout, you're going to feel hungry. Also, improper pre-workout fueling can lead to increased hunger later in the day.

Can I sleep after a workout without eating?

You are probably asking yourself, “Is it bad to not eat after a workout at night?” While eating immediately before bed doesn't seem like the best idea, it is important to eat alongside working out. Not eating after a workout at night can lead to low blood sugar, fatigue, and disorientation.

What if I don't eat protein after a workout?

“If you aren't eating enough protein, you're going to experience things like physical fatigue, weakness, or pain in your joints or muscles because you're not adequately supporting tissue growth,” says Sarah Wardlaw, MS, L/ATC, CES, a Mass General Brigham athletic trainer with a master's degree in nutrition and ...

How long before exercise gives you energy?

Within the first ten minutes your heart rate increases meaning there is an increased supply of blood to the brain, making you more alert, blocking pain signals and then the body will use different energy systems depending on the duration and intensity of the exercise.

What happens if you don't eat after exercise?

You're depriving your muscles of the amino acids they need to rebuild and recover. You're not replenishing the stored glucose (glycogen) in your muscles which can lead to further muscle breakdown. You'll get hungry a few hours later and likely overeat at that later meal.

How long does your metabolism stay high after exercise?

Strength training ensures the greatest afterburn effect. Circuit training and high-intensity training (HIT) consume the most calories, but also have the longest recovery time. At very high intensities, metabolism stays elevated for up to 48 hours (Schuenke et al.

Will I get skinnier if I skip meals?

Skipping meals can also slow down your metabolism, which can lead to weight gain or make it harder to lose weight. “When you skip a meal or go a long time without eating, your body goes into survival mode,” Robinson says. “This causes your cells and body to crave food, which causes you to eat a lot.

Do you lose fat or muscle first?

Unfortunately, that's a misleading and oversimplified statement. That's not what science has shown us for a long time. The real answer is, it's complicated. Yes, your body will burn fat before it starts breaking down significant amounts of muscle.

What happens if you lift weights but don't eat enough?

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.

Should I force myself to eat after a workout?

“This helps get your body at least some nutrients to start the recovery process,” she explains. Ehsani advises her athletes to eat something within 30 minutes to one hour after their workout ends.

How to speed up recovery?

POST-WORKOUT RECOVERY: 7 TIPS TO RECOVER QUICKER
  1. COOL DOWN PROPERLY. Post-workout recovery begins as soon as you stop training. ...
  2. STRETCH AND FOAM ROLL. ...
  3. EAT A POST-WORKOUT MEAL. ...
  4. HYDRATE. ...
  5. KEEP MOVING. ...
  6. GET PLENTY OF SLEEP. ...
  7. GET A MASSAGE.

Can I workout on an empty stomach?

Exercising without food and fuel leads to decreased energy levels, making it challenging to give your 100% to the workout. Which may in turn result in shorter or less intense workouts. In some extreme cases, fasted workouts lead to muscle breakdown as the body seeks alternative energy sources.

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