Blood glucose can be difficult to keep within normal limits.


A person with type 2 diabetes taking oral medications or insulin may have difficulty maintaining a normal blood glucose range.
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Examining a day-to-day routine can be helpful for a person with a history of type 2 diabetes or newly diagnosed.

Keeping a daily log of meals, exercise patterns, weight changes, and glucose readings can pinpoint one or more areas that may need adjusting. Using a logbook or a mobile app to document findings may seem like a tremendous task at first, but over time will benefit your long-term health progress.

1. Perform and write down random glucose testing results at least four times per day or more often. Start by checking blood glucose before and after a mid-day meal, after dinner before bedtime, and right after you get up in the morning.

Normal ranges for blood sugar (The Big Picture: Checking Your Blood Sugar | ADA, 2022)

  • 80mg/dL to 130mg/dL-waking up in the morning and before every meal.
  • Less than 180mg/dL-two hours from the start of a meal.

2. Carbohydrates have the most influence on glucose levels. So, include the number of carbohydrate grams eaten at each meal and snack documented. Carbohydrates examples are bread, cereals, fruit, beverages, milk, mixed foods, and sweets.

  • 15 grams of carbohydrate equals one serving.

3. Whether a person has a regular exercise regimen or occasionally works out or does yard work, record each type of physical activity, the length of time, and blood sugar levels before and after.

4. Make a note of any hypoglycemic episodes and treatment with dates and times of each occurrence.

  • Significant hypoglycemia is a glucose level of less than 54mg/dL.
  • Symptomatic hypoglycemia is a glucose level of less than 70mg/dL.

(American Association of Diabetes Educators et al., 2019b)

Be honest and consistent with all numbers to help figure out the problem. It is the only way to narrow down any areas that need adjusting. Reviewing the journal will make it easier to change something yourself or may require a visit to a medical professional for advice. Bring this information to each medical visit to make the discussion with the medical provider more productive.

American Association of Diabetes Educators, Cornell, S., Halstenson, C., & Miller, D. K. (2019). The Art and Science of Diabetes Self-Management Education Desk Reference (4th ed.). American Association of Diabetes Educators.

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I am a Registered Dietitian and Certified Diabetes Care and Education Specialist with a culinary arts degree. My comprehensive blend of cooking and nutrition expertise provides reliable “back to the basics” practical information.

Buckeye, AZ

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