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Struggling to Control Blood Sugar? 9 Common Mistakes to Avoid

04 Sep 2025 by Nadine A. Elhage, D.O.

Struggling to Control Blood Sugar? 9 Common Mistakes to Avoid

Managing blood sugar can feel like a constant balancing act, especially if you have diabetes or are at risk. Fluctuations in blood sugar levels can lead to fatigue, increased thirst, frequent urination, and long-term complications if left unchecked. Many people find it challenging to maintain stable blood sugar levels despite their best efforts. Are you making mistakes without even realizing it? This article will outline nine common pitfalls that can sabotage your blood sugar control and provide actionable solutions to help you regain command of your health. Troubleshooting Common Insulin Pump And Cgm Errors

1. Skimping on Breakfast

Breakfast is often called the most important meal of the day, and for good reason, especially when managing blood sugar. Skipping breakfast can lead to increased insulin resistance and higher blood sugar levels throughout the day. When you don't eat in the morning, your body enters a state of starvation, causing it to release more glucose later, leading to spikes.

  • Solution: Make time for a balanced breakfast that includes protein, fiber, and healthy fats. Examples include oatmeal with berries and nuts, Greek yogurt with seeds, or whole-wheat toast with avocado and egg. Aim for a consistent breakfast routine to keep your blood sugar levels more stable.

2. Ignoring the Glycemic Index (GI) and Glycemic Load (GL)

The Glycemic Index (GI) measures how quickly a food raises blood sugar levels. The Glycemic Load (GL) considers both the GI and the portion size. Eating foods with high GI and GL can lead to rapid spikes in blood sugar, followed by a crash.

  • Solution: Become familiar with the GI and GL of common foods. Opt for low-GI foods like whole grains, non-starchy vegetables, legumes, and fruits. Be mindful of portion sizes as well, since larger portions can increase the GL. The following HTML table provides some examples.
Food Item Glycemic Index (GI) Glycemic Load (GL)
White Bread 75 10
Brown Rice 68 23
Sweet Potato 63 11
Kidney Beans 24 5

3. Not Drinking Enough Water

Dehydration can impact blood sugar control. When you are dehydrated, your blood becomes more concentrated, potentially leading to higher blood sugar readings. Furthermore, your kidneys have to work harder to filter glucose when you are dehydrated.

  • Solution: Aim for at least eight glasses of water per day. Monitor the color of your urine; light yellow indicates proper hydration. Carry a water bottle with you and sip on it throughout the day. Unsweetened tea and water-infused fruits also contribute to your daily fluid intake.

4. Overindulging in Sugary Drinks and Processed Foods

Sugary drinks like sodas, juices, and energy drinks, along with processed foods, are often high in refined carbohydrates and added sugars. These can cause rapid and significant spikes in blood sugar levels. They are also often lacking in essential nutrients, leading to nutrient deficiencies. Prediabetes Range What Your Blood Sugar Levels Mean And What To Do Next

  • Solution: Cut back on sugary drinks and processed foods. Choose water, unsweetened tea, or sparkling water instead. Read food labels carefully and avoid products high in added sugars. Prepare your own meals as often as possible to control ingredients and portion sizes.

5. Skipping Exercise

Physical activity helps improve insulin sensitivity, meaning your body uses insulin more efficiently to lower blood sugar. Regular exercise can help your body use insulin more efficiently. Exercise helps lower blood sugar levels and improves overall health.

  • Solution: Aim for at least 30 minutes of moderate-intensity exercise most days of the week. Activities like brisk walking, swimming, cycling, or dancing can be effective. Incorporate both aerobic and resistance training exercises to improve muscle mass, which helps utilize glucose more effectively. Consult your healthcare provider before starting a new exercise program.

6. Insufficient Fiber Intake

Fiber slows down the absorption of sugar into the bloodstream, preventing rapid spikes in blood sugar. A diet low in fiber can contribute to poor blood sugar control.

  • Solution: Increase your fiber intake by consuming plenty of fruits, vegetables, whole grains, and legumes. Aim for at least 25-30 grams of fiber per day. Gradually increase your fiber intake to avoid digestive discomfort. Include foods like chia seeds, flax seeds, oats, broccoli, and berries in your diet.

7. Ignoring Stress

Stress can elevate blood sugar levels. When you're stressed, your body releases hormones like cortisol and adrenaline, which can raise blood sugar levels. Chronic stress can make it harder to manage blood sugar effectively. Best Foods For Blood Sugar Control Recommended By Dietitians

  • Solution: Practice stress-management techniques like meditation, deep breathing exercises, yoga, or tai chi. Make time for relaxation and hobbies. Ensure you're getting enough sleep. If stress becomes overwhelming, consider seeking professional support.

8. Inconsistent Meal Timing

Irregular meal times can lead to fluctuations in blood sugar. When you skip meals or eat at inconsistent times, your body struggles to regulate blood sugar levels effectively.

  • Solution: Establish a regular meal schedule and try to eat around the same times each day. This helps your body anticipate the intake of food and release insulin accordingly. Consider having smaller, more frequent meals throughout the day, if that works better for you.

9. Neglecting Sleep

Lack of sleep can negatively impact blood sugar control. Sleep deprivation can lead to insulin resistance, increased hunger, and hormonal imbalances, all of which can contribute to elevated blood sugar levels.

  • Solution: Aim for 7-8 hours of quality sleep per night. Establish a relaxing bedtime routine and create a sleep-conducive environment. Avoid caffeine and alcohol before bed. If you have sleep issues, consult your healthcare provider. Consistently implement these strategies. Make small changes that will drastically improve your overall blood sugar control. Remember to always consult with your healthcare provider or a registered dietitian to personalize these recommendations to your individual needs and ensure a safe and effective plan for managing your health.

References and Further Reading