The best exercise for prediabetes is a combination of brisk walking or other aerobic activities and strength training. Aerobic exercise helps your body use glucose for energy, while strength training builds muscle that helps manage blood sugar. Aim for at least 150 minutes of moderate activity each week, spread across several days, and increase your activity gradually to build a routine you can maintain.
Which exercises work best for prediabetes?
No single exercise is best for everyone with prediabetes. A combination of activities that raise your heart rate and exercises that strengthen your muscles offers a practical approach. Walking is often a convenient starting point because it requires little equipment, while cycling, swimming, dancing, and resistance exercises provide alternatives that can suit different fitness levels and physical abilities.
1. Brisk walking
Brisk walking is one of the easiest ways to begin an exercise routine. It can help your muscles use glucose for energy and support better blood sugar management over time. You can walk outdoors, use a treadmill, or walk indoors when the weather is unsuitable. Choose a pace that makes you breathe faster while still allowing you to speak in sentences.
If you are not used to regular exercise, start with shorter walks and gradually increase their duration. For example, you might begin with a comfortable walk after one meal and add time as your fitness improves. Consistency matters more than trying to walk quickly or cover a long distance from the beginning.
2. Strength training
Strength training works muscles against resistance. Examples include using resistance bands, lifting weights, performing wall push-ups, and doing chair squats when appropriate for your ability. Muscle tissue uses glucose, and building or maintaining muscle can support the body's ability to manage blood sugar. Strength exercises also help preserve physical function as you age.
Try to include strength training on two or more days each week, allowing recovery between sessions that work the same muscle groups. Begin with manageable resistance and focus on controlled movements and proper technique. A qualified exercise professional or physical therapist can help you adapt exercises if you have joint pain, balance difficulties, or other physical limitations.
3. Cycling
Cycling provides aerobic exercise without requiring the repeated impact associated with running. Stationary cycling can be useful if you prefer to exercise indoors, while outdoor cycling offers another option when the route and traffic conditions are safe. Adjust the resistance and speed to your current fitness level, then increase them gradually as exercise becomes more comfortable.
4. Swimming and water exercise
Swimming and water-based exercise can provide a full-body workout while reducing the load placed on weight-bearing joints. These activities may be useful for people who find walking uncomfortable or who prefer exercising in water. Choose a suitable pool environment and an activity that matches your swimming ability, balance, and general health.
5. Dancing and other enjoyable activities
Dancing, hiking on suitable terrain, and active recreational games can all contribute to your weekly aerobic activity. The most useful option is one you can perform safely and regularly. If a formal exercise routine feels difficult to maintain, adding movement through activities you enjoy may help you remain active over the long term.
How much exercise should you do each week?
The U.S. Centers for Disease Control and Prevention (CDC) describes at least 150 minutes of physical activity each week as a goal in its evidence-based National Diabetes Prevention Program. For many adults, this can mean about 30 minutes of moderate activity on five days each week. You can divide activity into shorter sessions if that makes it easier to fit into your schedule.
Moderate-intensity activity generally makes your breathing and heart rate noticeably faster while still allowing you to talk. If you are starting from a low activity level, even shorter periods of movement can be a useful first step. Build toward the weekly goal at a pace that feels manageable rather than attempting to complete the entire amount immediately.
A practical weekly exercise plan
The following example combines aerobic activity with muscle strengthening. It is a flexible starting framework for adults who can exercise safely, not a requirement to follow an exact schedule. Adjust the duration, intensity, and activity type to your fitness, preferences, and healthcare professional's advice.
- Monday: 30 minutes of brisk walking.
- Tuesday: 20 minutes of aerobic activity and 10–15 minutes of strength exercises.
- Wednesday: 30 minutes of cycling, swimming, or brisk walking.
- Thursday: 20 minutes of comfortable-to-brisk aerobic activity and strength exercises.
- Friday: 30 minutes of brisk walking or dancing.
- Saturday: Optional recreational activity, such as a relaxed bike ride or a longer walk.
- Sunday: Rest or gentle movement according to how you feel.
This example includes 130 minutes of planned aerobic activity before any optional Saturday session. Add another 20 minutes across the week, such as a short walk after a meal, to reach 150 minutes. If the schedule feels too demanding, start with less and increase gradually.
Can walking after meals help with prediabetes?
Walking after meals is a practical way to add activity to your day. When you move, your muscles use glucose for energy, which can influence the rise in blood sugar that occurs after eating. A short walk after a meal may be easier to maintain than setting aside one long exercise session, particularly if your daily schedule is busy.
You do not need to walk after every meal to establish a useful routine. Start with a duration and pace that feel comfortable, and build the habit around a meal that fits your schedule. If you experience dizziness, unusual breathlessness, chest discomfort, or other concerning symptoms while walking, stop and seek appropriate medical advice.
How does exercise help the body manage blood sugar?
During physical activity, working muscles need energy and can take up glucose from the bloodstream. Regular exercise can also improve insulin sensitivity, meaning the body can respond more effectively to insulin, the hormone that helps glucose enter cells. These effects help explain why physical activity is an important part of preventing or delaying type 2 diabetes.
The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) explains that lifestyle changes, including regular physical activity and weight management when appropriate, can help reduce the risk of developing type 2 diabetes. Exercise is most effective as part of an overall approach that fits your health needs and daily life.
Should you exercise before or after eating?
There is no single meal-time schedule that works best for everyone with prediabetes. Some people find a short walk after eating convenient, while others prefer exercising at another time of day. The key is to choose a routine you can follow consistently without feeling unwell or disrupting your sleep, work, or other responsibilities.
If you take medication that can lower blood sugar, have been advised to monitor glucose during exercise, or have another condition that affects safe activity, ask your healthcare professional whether you need specific timing or monitoring precautions. People with prediabetes do not all have the same treatment needs, so medication-related guidance should reflect their individual circumstances.
How can you start exercising safely?
If you have been inactive for a long time, begin with gentle activity and increase the duration and effort over time. Wear supportive footwear, drink water as needed, and choose a setting that feels safe. Warm up with a few minutes of easy movement before more demanding exercise, and slow down at the end rather than stopping abruptly after strenuous activity.
The National Health Service (NHS) provides practical guidance on building physical activity into everyday life. You can use its general activity advice as a starting point, while adapting your plan to your health, mobility, and current fitness. If you have heart disease, significant joint problems, balance concerns, or another condition that may affect exercise safety, seek individualized advice before making major changes to your routine.
What if you cannot do high-impact exercise?
You do not need to run, jump, or perform intense workouts to become more active. Walking at a comfortable pace, stationary cycling, water exercise, and seated movement may offer suitable alternatives, depending on your abilities. The goal is to find activities that allow you to move regularly without causing avoidable pain or excessive fatigue.
If pain or a disability limits your movement, a physical therapist or qualified exercise professional can help identify safe modifications. You may also benefit from breaking activity into short periods throughout the day. Increase activity according to your comfort and clinical needs instead of comparing your routine with someone else's.
How can you stay consistent with exercise?
A manageable routine is usually more practical than an ambitious plan that is difficult to maintain. Schedule walks around activities you already do, keep comfortable shoes available, or use a stationary bike while listening to music. Tracking active minutes on a calendar can help you notice progress without making every workout a performance test.
Try changing activities if boredom becomes a barrier. Walking with a friend, joining a beginner-friendly class, or alternating cycling and strength training can keep your routine interesting. If you miss a few days, restart with a comfortable session instead of trying to make up for every missed minute at once.
When should you discuss exercise with a healthcare professional?
Professional guidance can help if you are unsure which activities are safe because of an existing medical condition, persistent pain, balance problems, or medication use. Ask for advice if exercise repeatedly causes symptoms that are unusual for you. Stop exercising and seek urgent medical attention for warning signs such as chest pain, fainting, or severe or unexplained shortness of breath.
Exercise can improve health and support blood sugar management, but it does not guarantee that prediabetes will resolve or prevent type 2 diabetes in every person. Follow-up testing and discussions with your healthcare professional can help assess your progress and determine whether other preventive measures are appropriate.