This Is What Happens When You Don’t Eat After Working Out

Dietitians recommend one to eat within thirty minutes after a workout to refuel your body. The meal should be particularly proteins and carbs to repair damaged muscle tissues and for energy. However, our busy schedule makes us skip a meal within the thirty minutes window.

When this happens regularly, you may find yourself sabotaging your work out goals. Here is a look at what happens when you don’t eat after a workout.

Fatigue and Injuries


According to nutritionists, missing a meal after a wok out causes fatigue and disorientation from low blood sugar. More so, ignoring proper nutrition highly contributes to overuse injuries as the essential building blocks are not replaced. Especially for people who involve in heavy muscle-building activities, their body needs to repair microtears and damaged tissues. The body builds muscles by fixing the tears and skipping to eat risks getting further damage next time you work out.

Dehydration and Hypoglycemia

Foods contain minerals and electrolytes essential to maintain correct nerves and muscles firing. As you can see here, during a workout, you tend to lose calcium, potassium, water, and salt through sweat.

If you don’t replace them through an after a meal, hypoglycemia and dehydration can set in quickly to make you disoriented or make you pass out. In some cases, lacking electrolytes can lead to irregular heartbeat or cardiac arrhythmia.

Mood and Alertness Impact


Failing to eat after a workout has a significant impact on your mood according to scientific research. Physically exerting yourself leads to low glucose levels. However, glucose is vital for brain function as well as general body energy levels. Low glucose level hence leads to low brain function, which affects your mood and alertness.


If you want to get the most out of the post-work-out high, you must replenish your glucose levels and electrolytes, and hydrate your body using a well-balanced meal.