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Lowering Your A1C: A 90-Day Action Plan for Better Blood Sugar Control

05 Sep 2025 Michael S. Underhill, D.O.

Lowering Your A1C: A 90-Day Action Plan for Better Blood Sugar Control

A1C, or glycated hemoglobin, is a crucial blood test that provides an average measure of your blood sugar levels over the past 2 to 3 months. If your A1C is elevated, it indicates that your blood sugar levels have consistently been high, increasing your risk of developing serious health complications, including type 2 diabetes, heart disease, kidney disease, and nerve damage.

This article provides a 90-day action plan to help you take control of your blood sugar, lower your A1C levels, and improve your overall health. Remember, it’s vital to consult with your healthcare provider before making any significant changes to your diet or exercise routine, especially if you have existing health conditions or are taking medication. What Is Glucose And How Does Insulin Regulate Blood Sugar Levels

Why is Lowering Your A1C Important?

High A1C levels signal consistent hyperglycemia, which can wreak havoc on your body over time. Chronically elevated blood sugar damages blood vessels and nerves, leading to a cascade of potential health problems. Lowering your A1C, even by a small amount, can significantly reduce these risks.

Here's a quick overview of A1C ranges and what they typically indicate:

| A1C Level | Indication | |------------|-----------------------------------------| | Below 5.7% | Normal | | 5.7 - 6.4% | Prediabetes | | 6.5% or higher | Diabetes |

What to Expect from This 90-Day Plan:

This plan is designed to be implemented gradually over three months, allowing you to make sustainable lifestyle changes. Each month will focus on specific areas, building upon the progress made in the previous month. We'll cover:

  • Month 1: Dietary Adjustments - Learning about portion control, glycemic index, and making healthy food choices.
  • Month 2: Exercise and Physical Activity - Incorporating regular physical activity into your routine and understanding its impact on blood sugar.
  • Month 3: Stress Management and Sleep Hygiene - Recognizing the role of stress and sleep in blood sugar control and developing strategies to manage them effectively.

Month 1: Dietary Adjustments - The Foundation of Blood Sugar Control

The first month focuses on understanding and implementing dietary changes that significantly impact your blood sugar levels. Food is fuel, and choosing the right types of fuel is crucial for stabilizing your A1C.

Key Focus Areas:

  • Understanding Carbohydrates and the Glycemic Index (GI):
    • Complex vs. Simple Carbs: Learn the difference between complex carbohydrates (found in whole grains, legumes, and vegetables) and simple carbohydrates (found in sugary drinks, processed foods, and white bread). Complex carbs break down slower, leading to a more gradual rise in blood sugar.
    • Glycemic Index: The GI measures how quickly a food raises blood sugar levels. Foods with a high GI (e.g., white bread, sugary drinks) cause rapid spikes, while foods with a low GI (e.g., lentils, most vegetables) have a slower, more gradual effect.
    • Action: Research the GI of common foods you eat. Aim to replace high-GI foods with low-GI alternatives.
  • Portion Control: Less is Often More:
    • Use Smaller Plates and Bowls: This simple trick can visually make your portions appear larger, helping you feel more satisfied with less food.
    • Measure Your Food: Use measuring cups and spoons to accurately portion out servings. This helps you become more aware of how much you're actually eating.
    • Action: For one week, meticulously measure all your meals and snacks. This will provide a baseline and help you understand appropriate portion sizes.
  • Focus on Non-Starchy Vegetables:
    • Fill Half Your Plate: Aim to make half of every meal non-starchy vegetables like broccoli, spinach, kale, carrots, and bell peppers. These are low in calories and carbohydrates but packed with vitamins, minerals, and fiber.
    • Variety is Key: Experiment with different vegetables to keep your meals interesting and ensure you're getting a wide range of nutrients.
    • Action: Incorporate a new non-starchy vegetable into your diet each week.
  • Prioritize Protein and Healthy Fats:
    • Protein: Essential for building and repairing tissues, and also helps you feel fuller for longer. Good sources include lean meats, poultry, fish, eggs, beans, and tofu.
    • Healthy Fats: Important for hormone production and overall health. Focus on unsaturated fats found in avocados, nuts, seeds, olive oil, and fatty fish.
    • Limit Saturated and Trans Fats: These can raise cholesterol levels and increase your risk of heart disease. Found in processed foods, red meat, and fried foods.
    • Action: Choose lean protein sources over processed meats. Use olive oil instead of butter.
  • Hydration is Key:
    • Drink Plenty of Water: Aim for at least 8 glasses of water per day. Water helps flush out toxins and regulate blood sugar levels.
    • Avoid Sugary Drinks: Soda, juice, and sweetened beverages are loaded with sugar and can cause rapid blood sugar spikes. Opt for water, unsweetened tea, or sparkling water instead.
    • Action: Carry a water bottle with you and refill it throughout the day.
  • Reading Food Labels:
    • Serving Size: Pay attention to the serving size listed on the label. This is the basis for all the other information provided.
    • Total Carbohydrates: Note the total carbohydrates per serving. This includes sugars, starches, and fiber.
    • Fiber: Aim for foods with a high fiber content. Fiber slows down the absorption of sugar and helps you feel fuller.
    • Sugars: Be aware of the amount of added sugars. Try to choose foods with minimal added sugars.
    • Action: Practice reading food labels when grocery shopping. Compare different brands and choose the healthier option.

Sample Meal Plan (Month 1):

This is just a sample plan; adjust it based on your individual needs and preferences.

| Meal | Example | |-----------|----------------------------------------------------------------------------------------------------------------------------------------| | Breakfast | Oatmeal (1/2 cup dry) with berries (1/2 cup) and nuts (1/4 cup), a hard-boiled egg. | | Lunch | Large salad with grilled chicken or fish, mixed greens, non-starchy vegetables, and a light vinaigrette dressing. | | Dinner | Baked salmon with roasted broccoli and quinoa (1/2 cup). | | Snacks | Apple slices with almond butter, a handful of almonds, Greek yogurt with berries. |

Tracking Your Progress:

  • Keep a Food Journal: Record everything you eat and drink, including portion sizes and carbohydrate counts. This will help you identify patterns and make informed choices.
  • Monitor Your Blood Sugar: Check your blood sugar levels regularly, as advised by your healthcare provider. This will provide valuable feedback on how your dietary changes are affecting your blood sugar.

Important Note: Consistency is key! Don't get discouraged if you have a setback. Just get back on track with your next meal.


Month 2: Exercise and Physical Activity – Moving Towards Better Blood Sugar

Month 2 builds upon the dietary foundation established in Month 1 by incorporating regular exercise and physical activity into your daily routine. Exercise is a powerful tool for managing blood sugar levels and improving overall health.

Why is Exercise Important for A1C Reduction?

  • Improved Insulin Sensitivity: Exercise helps your cells become more sensitive to insulin, meaning they can use glucose more effectively, lowering blood sugar levels.
  • Muscle Glucose Uptake: During exercise, your muscles use glucose for energy, further reducing blood sugar.
  • Weight Management: Regular physical activity can help you lose weight or maintain a healthy weight, which is crucial for blood sugar control.
  • Reduced Stress: Exercise is a great stress reliever, and reducing stress can also positively impact blood sugar levels.

Key Focus Areas:

  • Types of Exercise:
    • Aerobic Exercise (Cardio): Activities that increase your heart rate and breathing, such as walking, jogging, swimming, cycling, and dancing.
      • Benefits: Improves cardiovascular health, burns calories, and helps lower blood sugar.
      • Recommendation: Aim for at least 150 minutes of moderate-intensity aerobic exercise per week, spread throughout the week.
    • Resistance Training (Strength Training): Activities that involve working against resistance, such as lifting weights, using resistance bands, or doing bodyweight exercises like squats and push-ups.
      • Benefits: Builds muscle mass, which helps improve insulin sensitivity and boost metabolism.
      • Recommendation: Aim for at least two days per week of resistance training, working all major muscle groups.
    • Flexibility and Balance Exercises: Activities like stretching, yoga, and tai chi.
      • Benefits: Improves flexibility, balance, and coordination, reducing the risk of falls.
      • Recommendation: Incorporate these exercises into your routine as often as possible.
  • Starting Slowly and Gradually Increasing Intensity:
    • Don't Overdo It: If you're new to exercise, start slowly and gradually increase the intensity and duration of your workouts.
    • Listen to Your Body: Pay attention to your body's signals and rest when you need to.
    • Action: Start with 10-15 minute walks and gradually increase the duration and pace. Add one new resistance exercise per week.
  • Finding Activities You Enjoy:
    • Make it Fun: Choose activities that you find enjoyable and that fit into your lifestyle.
    • Variety is Key: Experiment with different types of exercise to keep things interesting and prevent boredom.
    • Socialize: Exercise with a friend or family member to stay motivated.
    • Action: Try a new exercise class or activity each week until you find something you love.
  • Incorporating Exercise into Your Daily Routine:
    • Take the Stairs: Instead of the elevator.
    • Walk During Your Lunch Break:
    • Park Further Away from Your Destination:
    • Stand Up and Move Around Regularly: If you have a desk job, get up and move around for a few minutes every hour.
    • Action: Set a reminder on your phone to get up and move around every hour.
  • Monitoring Your Blood Sugar During Exercise:
    • Check Before, During, and After: If you take insulin or other medications that can cause low blood sugar, it's important to check your blood sugar levels before, during, and after exercise.
    • Carry a Snack: Have a quick-acting source of carbohydrate, such as glucose tablets or fruit juice, with you in case your blood sugar drops too low.
    • Adjust Your Medication: Talk to your healthcare provider about adjusting your medication dosages based on your exercise routine.

Sample Exercise Plan (Month 2):

This is a sample plan; adjust it based on your individual fitness level and preferences.

| Day | Activity | Duration | Intensity | |---------|-------------------------------------------------|--------------|----------------| | Monday | Brisk Walking | 30 minutes | Moderate | | Tuesday | Resistance Training (Upper Body) | 30 minutes | Moderate | | Wednesday| Rest or Light Activity (e.g., Yoga, Stretching) | 30 minutes | Low | | Thursday | Cycling | 30 minutes | Moderate | | Friday | Resistance Training (Lower Body) | 30 minutes | Moderate | | Saturday | Swimming | 30 minutes | Moderate | | Sunday | Rest or Active Recovery (e.g., Walking) | 30 minutes | Low |

Staying Motivated:

  • Set Realistic Goals:
  • Track Your Progress: Use a fitness tracker or app to monitor your activity levels and track your progress.
  • Reward Yourself: Treat yourself for reaching your goals, but choose non-food rewards.
  • Find a Workout Buddy: Exercising with a friend can help you stay motivated and accountable.

Safety Considerations:

  • Consult Your Doctor: Talk to your healthcare provider before starting any new exercise program, especially if you have any underlying health conditions.
  • Warm-Up and Cool-Down: Always warm up before exercise and cool down afterwards.
  • Stay Hydrated: Drink plenty of water before, during, and after exercise.
  • Wear Appropriate Clothing and Footwear:
  • Be Aware of Your Surroundings:
  • Listen to Your Body: Stop exercising if you experience any pain or discomfort.

Month 3: Stress Management and Sleep Hygiene – The Mind-Body Connection for A1C Control

Month 3 delves into the often-overlooked but critical aspects of stress management and sleep hygiene and their impact on blood sugar regulation. Stress and poor sleep can significantly elevate A1C levels, even if you're diligently following a healthy diet and exercise plan.

The Connection Between Stress, Sleep, and Blood Sugar:

  • Stress and Hormones: When you're stressed, your body releases hormones like cortisol and adrenaline, which can raise blood sugar levels. Chronic stress can lead to consistently elevated blood sugar.
  • Sleep Deprivation and Insulin Resistance: Lack of sleep can disrupt hormone balance, leading to insulin resistance and increased blood sugar.
  • Inflammation: Both stress and sleep deprivation can contribute to inflammation throughout the body, which can also impact insulin sensitivity.

Key Focus Areas:

  • Identifying Your Stressors:
    • Keep a Stress Journal: Track your daily activities and note when you feel stressed, what triggered the stress, and how you reacted.
    • Recognize Patterns: Look for patterns in your stress journal to identify common stressors.
    • Action: List your top three stressors and brainstorm potential solutions for each.
  • Stress Management Techniques:
    • Mindfulness Meditation: Focus on the present moment and observe your thoughts and feelings without judgment.
    • Deep Breathing Exercises: Slow, deep breathing can help calm your nervous system and reduce stress.
    • Yoga and Tai Chi: Combine physical movement with mindfulness and relaxation.
    • Spending Time in Nature: Studies have shown that spending time in nature can lower stress hormones and improve mood.
    • Engaging in Hobbies: Make time for activities you enjoy, such as reading, listening to music, or spending time with loved ones.
    • Action: Try a different stress management technique each week and see which one works best for you.
  • Establishing a Consistent Sleep Schedule:
    • Go to Bed and Wake Up at the Same Time Every Day: Even on weekends.
    • Create a Relaxing Bedtime Routine: Take a warm bath, read a book, or listen to calming music.
    • Avoid Caffeine and Alcohol Before Bed:
    • Make Sure Your Bedroom is Dark, Quiet, and Cool:
    • Action: Set a sleep schedule and stick to it as closely as possible.
  • Optimizing Your Sleep Environment:
    • Invest in a Comfortable Mattress and Pillows:
    • Use Blackout Curtains to Block Out Light:
    • Use a White Noise Machine to Mask Sounds:
    • Keep Your Bedroom at a Cool Temperature:
    • Action: Assess your bedroom environment and make any necessary adjustments to improve your sleep.
  • Limiting Screen Time Before Bed:
    • The Blue Light Emitted from Electronic Devices Can Interfere with Sleep: Avoid using your phone, tablet, or computer for at least an hour before bed.
    • Action: Replace screen time with a relaxing activity like reading or listening to music.
  • Addressing Underlying Sleep Disorders:
    • If You Suspect You Have a Sleep Disorder, Such as Sleep Apnea or Insomnia, Talk to Your Doctor: They can recommend appropriate treatment options.

Sample Stress and Sleep Plan (Month 3):

This is a sample plan; adjust it based on your individual needs and preferences.

| Time | Activity | |--------------|-------------------------------------------------------------------------------------------------| | Morning | 10 minutes of mindfulness meditation | | During Day | Practice deep breathing exercises when feeling stressed. Take short breaks to walk and stretch. | | Evening | Limit screen time after 8 PM. Take a warm bath before bed. | | Bedtime | Go to bed and wake up at the same time every day. |

Monitoring Your Progress:

  • Track Your Stress Levels: Use a scale of 1 to 10 to rate your stress levels throughout the day.
  • Track Your Sleep Quality: Keep a sleep diary to record your sleep duration, how long it takes you to fall asleep, and how rested you feel in the morning.

Important Considerations:

  • Be Patient: It takes time to develop new habits and reduce stress levels. Don't get discouraged if you don't see results immediately.
  • Seek Professional Help: If you're struggling to manage stress or improve your sleep on your own, consider seeking professional help from a therapist or sleep specialist.

Maintaining Long-Term A1C Control: Beyond 90 Days

While this 90-day plan provides a structured approach to lowering your A1C, it's crucial to understand that managing blood sugar is an ongoing journey, not a destination. Long-term success depends on making these lifestyle changes a permanent part of your life.

Key Strategies for Sustaining Your Progress:

  • Regular Blood Sugar Monitoring: Continue to monitor your blood sugar levels regularly, as recommended by your healthcare provider. This will help you track your progress, identify any potential issues, and make necessary adjustments to your plan.
  • Ongoing Dietary Management: Stick to the healthy eating habits you've developed over the past three months. Continue to focus on portion control, low-GI foods, non-starchy vegetables, lean protein, and healthy fats.
  • Consistent Exercise Routine: Maintain your regular exercise routine. Aim for at least 150 minutes of moderate-intensity aerobic exercise per week, plus two days of resistance training.
  • Effective Stress Management: Continue to practice the stress management techniques that work best for you.
  • Prioritize Sleep: Make sleep a priority and stick to a consistent sleep schedule.
  • Regular Check-Ups with Your Healthcare Provider: Schedule regular check-ups with your doctor to monitor your A1C levels and discuss any concerns.
  • Medication Adherence: If you're taking medication to manage your blood sugar, continue to take it as prescribed by your doctor.
  • Staying Informed: Keep learning about diabetes and blood sugar management. Attend workshops, read books, and join online communities.
  • Support System: Surround yourself with a supportive network of friends, family, or support groups. Having people who understand what you're going through can make a big difference.
  • Flexibility and Adaptability: Life happens. Be prepared to adjust your plan as needed to accommodate changes in your schedule, circumstances, or health conditions.
  • Celebrate Your Successes: Acknowledge and celebrate your accomplishments along the way. This will help you stay motivated and on track.

Potential Challenges and How to Overcome Them:

  • Plateaus: You may reach a point where your A1C stops improving, even if you're following your plan. This is normal. Talk to your doctor about potential adjustments to your medication or lifestyle.
  • Holidays and Special Occasions: Holidays and special occasions can be challenging when it comes to managing blood sugar. Plan ahead, make healthy choices when possible, and don't be afraid to indulge in moderation.
  • Travel: Traveling can disrupt your routine and make it difficult to manage your blood sugar. Plan ahead, pack healthy snacks, and stay active during your trip.
  • Burnout: It's easy to get burned out from constantly focusing on your blood sugar. Remember to take breaks, reward yourself, and focus on other aspects of your life.

The Importance of a Holistic Approach:

Lowering your A1C is not just about diet and exercise. It's about adopting a holistic approach to health that encompasses all aspects of your well-being – physical, mental, and emotional. By addressing stress, prioritizing sleep, and building a strong support system, you can significantly improve your blood sugar control and enhance your overall quality of life. From A1C To Bg A Glossary Of Essential Diabetes Blood Sugar Terms

Disclaimer: This article provides general information and should not be considered medical advice. Always consult with your healthcare provider before making any significant changes to your diet, exercise routine, or medication regimen. Individual results may vary. Your Guide To Understanding Blood Sugar Charts For Persons With Diabetes

References and Further Reading