Nutrition Tips for Before and After Exercise

Fitting exercise into a hectic schedule is tough, and coordinating meals around it adds another layer of complexity. Consuming too much or the wrong types of food before exercising can hinder performance, leading to discomfort, fatigue, or even nausea. Conversely, exercising on an empty stomach after six hours without eating can leave you feeling drained and uninspired. Timing and meal composition are key—while a heavy breakfast might not suit a morning run, it could be ideal for a midday jog.

Your focus should be on consuming nutrient-rich foods that provide energy without lingering in your stomach during your workout. Pre-exercise meals help stave off hunger. While carbs are quick to digest, protein and fat-heavy foods take longer, depending on portion size. Large meals can remain in the stomach for up to six hours.

Snacks typically take about an hour to digest, depending on their ingredients. A high-carb snack two hours before exercising can boost energy levels and keep your stomach settled for an effective session. While many athletes steer clear of food two hours before intense workouts, a light snack an hour or two before a moderate session is often manageable.

Pre-Exercise Eating Tips

Test different eating schedules to determine what suits you best. Consider these guidelines:

Wait at least 30 minutes to two hours after eating before exercising, depending on the meal size. Larger meals require more waiting time, while a light snack like pretzels or a fruit drink allows you to start within 30 minutes.

Eating and Your Exercise Routine

For early morning workouts, a piece of fruit or a small juice with water is sufficient. Mid-morning exercisers benefit from a carb-rich breakfast like oatmeal or whole-grain toast with jam. If you work out before lunch, a light snack beforehand and a balanced lunch (e.g., a turkey sandwich) afterward are ideal. Afternoon exercisers who’ve had a balanced breakfast and lunch may not need a pre-workout snack, but a light option like yogurt or fruit is helpful for late-day sessions. Post-dinner exercisers should wait an appropriate time based on their meal size.

Do What Works for You

The suggestions provided are general guidelines. Everyone’s digestive system is unique, so it’s essential to experiment and find what works best for you. Some days, exercising shortly after eating might leave you feeling energized, while other times it could cause discomfort or nausea. This varies not only between individuals but also from day to day.

Keep a Food and Exercise Diary

Record your meals, the timing, and how you feel during workouts. This practice helps identify foods that boost your performance and those that leave you feeling sluggish. You’ll discover which foods suit you best, even if others are nutritionally beneficial.

Post-Exercise Eating Tips

Consuming carbohydrate-rich foods within one to two hours post-workout helps replenish energy stores for the next day’s exercise. Additionally, rehydrate by drinking plenty of water after your session. Studies indicate that fatigue during physical activity is often linked to dehydration and depleted carbohydrate reserves. Since carbs serve as a primary energy source during workouts, including resistance training, replenishing them afterward is crucial. This is particularly vital for those engaging in prolonged aerobic activities (over 60 minutes) on consecutive days.

Including protein in your post-exercise meal is essential for repairing muscle tissues stressed during your workout. When paired with carbohydrates within the first two hours after exercising, protein also aids in optimizing carbohydrate storage, enhancing recovery.

Greg Shealey is a health educator and the president and founder of Bio-Fit and Wellness.