Intermittent fasting has become a popular way of eating, with people choosing specific times to eat and fast. But for athletes, there’s another question to consider: how could fasting affect performance?
Training requires energy, and athletes need enough food and fluids to support exercise, recovery, and overall performance. So, what happens when you combine intermittent fasting with regular workouts?
What Happens When You Train While Fasting?
When you exercise while fasting, your body may rely more on fat for fuel. Research has found that fasting can increase fat use during exercise, but that doesn’t necessarily mean it will improve performance.
Studies on athletes who fasted during Ramadan found little change in physical performance. Endurance, muscle force, reaction time, and neuromuscular performance generally stayed similar when athletes maintained their nutrition, hydration, and training.
But there’s more to consider.
Can Fasting Improve Athletic Performance?
The answer isn’t so simple.
Some research has found that intermittent fasting does not negatively affect endurance, muscle power, or lean mass. Other studies have found mixed results, with some showing small improvements in strength and others finding no significant changes.
Fasting may also increase natural growth hormone levels, but higher growth hormone does not automatically mean better strength or exercise capacity.
In other words, using more fat for fuel or increasing growth hormone doesn’t necessarily make you a better athlete.
What About Recovery and Nutrition?
Recovery is another important part of the picture.
Some early research suggests that intermittent fasting may support certain processes involved in muscle recovery. But athletes still need enough calories and nutrients within their eating window to support their training.
Hydration is especially important. When eating and drinking are limited to certain hours, it can become easier to fall short on fluids.
There’s also another concern for some athletes: iron.
Athletes already have an increased risk of iron deficiency, and intermittent fasting may make it harder to get enough iron if fasting means regularly skipping breakfast.
So, Is Fasting Right for Athletes?
It depends.
The research so far shows that intermittent fasting may have a relatively small effect on athletic performance, but results are mixed and more research is needed.
If an athlete chooses to fast, getting enough calories, nutrients, and fluids during the eating window is important. Meals should still provide quality sources of protein, healthy fats, fiber, and other essential nutrients.
Intermittent fasting isn’t automatically good or bad for performance. What matters is whether your eating pattern can still support the demands of your training and recovery.
Want to take a closer look at how intermittent fasting can affect strength, endurance, recovery, and nutrition?
Read the full article to learn more about fasting and athletic performance.
➥ https://www.abbeyskitchen.com/intermittent-fasting-for-athletes/
Sharp, A. (2022, January 19). Intermittent Fasting and Working Out: Will it Help or Hinder Your Performance? Abbey’s Kitchen. https://www.abbeyskitchen.com/intermittent-fasting-for-athletes/
