Are You Making These 3 Errors in Your Blood Sugar Management?
13 Sep 2025Are You Making These 3 Errors in Your Blood Sugar Management?
Managing your blood sugar levels is crucial for overall health, especially if you're living with diabetes or at risk of developing it. Even seemingly small errors in your approach can lead to significant fluctuations, negatively impacting your energy levels, mood, and long-term well-being. This article will outline three common mistakes people make when trying to manage their blood sugar and provide actionable tips to correct them.
Error #1: Ignoring the Glycemic Index (GI) and Glycemic Load (GL)
Many people focus solely on the carbohydrate content of their food, overlooking two equally important factors: the Glycemic Index (GI) and the Glycemic Load (GL). Understanding these concepts is critical for effectively managing blood sugar.
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What is the Glycemic Index (GI)? The GI ranks foods from 0 to 100 based on how quickly they raise blood sugar levels after consumption. High-GI foods (70 or above) cause a rapid spike, while low-GI foods (55 or below) result in a slower, more gradual increase.
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What is the Glycemic Load (GL)? The GL takes into account both the GI and the serving size of a food. It provides a more accurate picture of how a particular serving of food will affect blood sugar. It is calculated by multiplying the GI by the grams of carbohydrates per serving and then dividing by 100. A GL of 20 or more is considered high, 11-19 is medium, and 10 or less is low.

Why is this an error? Relying solely on carbohydrate counting can be misleading. For example, a watermelon has a relatively high GI, but due to its high water content and lower carbohydrate density, its GL is quite low. Consuming a small portion of watermelon will have a far different impact than consuming a large portion of refined white bread, even if the total carbohydrate grams are similar. What Affects Blood Sugar Levels 8 Factors Beyond Just Food
How to Fix It:
- Educate Yourself: Learn about the GI and GL values of common foods you eat. There are numerous online resources and apps that can help.
- Prioritize Low-GI, Low-GL Foods: Focus on incorporating more non-starchy vegetables, lean proteins, and whole grains into your diet. These foods tend to have lower GI and GL values.
- Combine Foods Strategically: Pairing high-GI foods with protein, healthy fats, and fiber can slow down the absorption of sugar and mitigate the spike in blood sugar.
- Understand Food Labels: Review the labels of your regular food. Pay close attention not only to the carbohydrates, but to the types of carbohydrates like sugar. Look for hidden sugars, which often end in "-ose".
Error #2: Neglecting the Role of Exercise
Exercise is a powerful tool for blood sugar management, but it’s often overlooked or underestimated. Regular physical activity improves insulin sensitivity, allowing your cells to use glucose more effectively, thereby lowering blood sugar levels.
Why is this an error? Without regular exercise, your body becomes less efficient at processing glucose. This can lead to insulin resistance, where your cells don't respond properly to insulin, requiring your pancreas to produce even more. Over time, this can lead to elevated blood sugar and an increased risk of type 2 diabetes. Why Do I Crash After Meals Understanding Postprandial Blood Sugar
How to Fix It:
- Incorporate Both Cardio and Strength Training: Aerobic exercise (like walking, jogging, swimming, or cycling) helps burn glucose for energy, while strength training increases muscle mass, which improves insulin sensitivity.
- Aim for at Least 150 Minutes of Moderate-Intensity Exercise Per Week: This is the general recommendation for overall health, and it's a good starting point for blood sugar management. Break it up into smaller, more manageable chunks if needed.
- Time Your Exercise Strategically: Exercising after meals can help prevent blood sugar spikes. However, be sure to monitor your blood sugar levels closely, especially if you're taking insulin or other medications, as exercise can sometimes cause hypoglycemia (low blood sugar).
- Start Slow: If you're new to exercise, begin with small increments to build a solid exercise regimen. Speak to your doctor to create the safest exercise program for your needs.
Error #3: Inconsistent Blood Sugar Monitoring
Regular blood sugar monitoring provides valuable insights into how your body responds to different foods, activities, and medications. Without this information, you're essentially flying blind, making it difficult to fine-tune your blood sugar management plan.
Why is this an error? Sporadic or infrequent monitoring makes it impossible to identify patterns and trends in your blood sugar levels. You might miss subtle fluctuations that could be indicative of underlying issues, like insulin resistance or dietary imbalances.
How to Fix It:
- Follow Your Doctor's Recommendations: Your doctor will advise you on the appropriate frequency and timing of blood sugar checks based on your individual needs and circumstances.
- Establish a Routine: Choose specific times of day to check your blood sugar, such as before meals, two hours after meals, and before bedtime. This will help you establish a consistent baseline and identify how different factors impact your levels.
- Keep a Detailed Record: Track your blood sugar readings in a logbook or app, along with notes about your food intake, exercise, medications, and any other relevant factors. This will allow you to identify patterns and make informed decisions about your diet and lifestyle.
- Understand Your Blood Sugar Target: Know what your doctor suggests as a healthy blood sugar range. Use your monitoring to stay within the safe range.
Here's a table summarizing the key information:
Error | Description | Solution |
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Ignoring GI/GL | Focusing only on carbs, not on how quickly they affect blood sugar. | Prioritize low-GI/GL foods, combine strategically. |
Neglecting Exercise | Not utilizing exercise to improve insulin sensitivity. | Incorporate both cardio and strength training regularly. |
Inconsistent Monitoring | Not monitoring blood sugar regularly to identify patterns. | Establish a routine, keep detailed records, and follow doctor's recommendations. |
Conclusion
Effective blood sugar management is a multifaceted process that requires a holistic approach. By avoiding these common mistakes and implementing the suggested solutions, you can take control of your blood sugar levels, improve your overall health, and reduce your risk of long-term complications. Remember to consult with your doctor or a registered dietitian for personalized guidance and support. The 15 Minute Walk That Can Help Regulate Your Blood Sugar All Day
By Marc R. Matthews, M.D.