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What's a Good Blood Sugar Level


Maintaining normal blood sugar levels is essential for a healthy body. Blood sugar, also known as glucose, is the main source of energy for cells and tissues. High or low blood sugar levels can lead to various health complications. Therefore, it is important to understand what constitutes a good blood sugar level.

Normal Blood Sugar Levels

The normal blood sugar range varies depending on the time of the day and individual circumstances. However, the general guidelines suggest the following levels:

  1. Fasting Blood Sugar:

    • Normal Range: Between 70 and 100 milligrams per deciliter (mg/dL)
    • Optimal Range: Around 80-90 mg/dL
  2. Blood Sugar Two Hours After a Meal:

    • Normal Range: Below 140 mg/dL
    • Optimal Range: Around 120-140 mg/dL

These values may slightly differ for individuals with diabetes. It is important to consult with a healthcare professional to determine personalized blood sugar targets.

Factors Affecting Blood Sugar Levels

Various factors can influence blood sugar levels, including: 1. Food and Diet: The type and amount of carbohydrates consumed can impact blood sugar levels. 2. Physical Activity: Exercise and physical exertion can lower blood sugar levels. 3. Stress: Stress hormones can cause blood sugar to rise. 4. Medications: Certain medications can affect blood sugar levels. 5. Illness or Infection: The body's response to illness or infection can lead to changes in blood sugar levels.

Monitoring Blood Sugar Levels

Regular monitoring of blood sugar levels is crucial for maintaining good health. This can be done using a blood glucose meter, which measures the amount of sugar in a small blood sample. Monitoring enables individuals to track their blood sugar levels and make necessary adjustments in diet, activity levels, or medication.


Achieving and maintaining a good blood sugar level is important for overall health and well-being. By understanding the normal ranges and factors that affect blood sugar levels, individuals can take necessary steps to keep their blood sugar levels within a healthy range. Regular monitoring, a balanced diet, exercise, and close communication with healthcare professionals are key to managing blood sugar effectively.