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How to Avoid Low Blood Sugar During and After Exercise

04 Sep 2025 by Aleksandra Murawska Baptista, M.D.

How to Avoid Low Blood Sugar During and After Exercise

Exercising regularly is one of the most effective ways to manage blood sugar levels and improve overall health. However, it can also trigger low blood sugar, especially for individuals with diabetes. If you're planning to exercise, it's essential to take steps to avoid low blood sugar during and after exercise. Here are some tips to help you manage blood sugar levels during physical activity.

Understand How Exercise Affects Blood Sugar

Before we dive into the tips, it's essential to understand how exercise affects blood sugar levels. When you exercise, your body uses glucose for energy, which can cause your blood sugar levels to drop. This is especially true for individuals with diabetes, as their bodies may not produce enough insulin to regulate blood sugar levels. However, exercise also improves insulin sensitivity, which can help regulate blood sugar levels over time.

Plan Your Workouts Around Meals

To avoid low blood sugar during exercise, it's essential to plan your workouts around meals. Here are some tips to help you plan your workouts: Your A1C Chart Explained From Prediabetes To A1C Conversion

  • Eat a meal or snack with complex carbohydrates and protein before your workout. This will help stabilize your blood sugar levels and provide energy for your workout.
  • Choose a workout time when your blood sugar levels are stable. Avoid working out on an empty stomach or after a meal that can cause a spike in blood sugar levels.
  • Monitor your blood sugar levels before and after your workout. This will help you adjust your meal plan and workout schedule as needed.

Stay Hydrated

Staying hydrated is essential during exercise, especially if you're planning to engage in high-intensity activities. Dehydration can cause blood sugar levels to drop, which can lead to low blood sugar symptoms like dizziness and confusion. Easy Blood Sugar Friendly Meals To Help You Manage Diabetes

  • Drink water or a sports drink before, during, and after your workout. Aim to drink at least 8-10 glasses of water per day.
  • Choose a sports drink that contains electrolytes like sodium and potassium. These can help regulate blood sugar levels and prevent dehydration.

Monitor Your Blood Sugar Levels

Monitoring your blood sugar levels is essential during exercise. Here are some tips to help you monitor your blood sugar levels:

  • Use a glucometer to monitor your blood sugar levels before and after your workout.
  • Keep a log of your blood sugar levels and workout activities. This will help you identify patterns and adjust your meal plan and workout schedule as needed.
  • Work with your healthcare provider to develop a plan for managing low blood sugar during exercise.

Manage Low Blood Sugar Symptoms

If you experience low blood sugar symptoms during or after exercise, here are some tips to help you manage them:

  • Eat a snack or meal with complex carbohydrates and protein. This will help raise your blood sugar levels quickly.
  • Choose a snack or meal that contains a source of protein and healthy fat. This will help stabilize your blood sugar levels and provide energy.
  • Monitor your blood sugar levels closely and adjust your meal plan and workout schedule as needed.

By following these tips, you can reduce your risk of low blood sugar during and after exercise. Remember to always monitor your blood sugar levels closely and work with your healthcare provider to develop a plan for managing low blood sugar. With the right preparation and planning, you can enjoy the benefits of exercise while maintaining stable blood sugar levels. The Ultimate Blood Sugar Diet Plan What To Eat To Manage Your Levels

References and Further Reading