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Blood Sugar Level Chart: Fasting & After Eating Ranges

04 Sep 2025 by Hon-Chi Lee, M.D., Ph.D.

Blood Sugar Level Chart: Fasting & After Eating Ranges

A comprehensive guide to understanding blood sugar levels, including a detailed chart outlining normal fasting and post-meal ranges for individuals with and without diabetes. Hypoglycemia Uncovered 7 Warning Signs You Can T Ignore

Understanding your blood sugar level is crucial for maintaining overall health and managing conditions like diabetes. The chart below provides a general guide to fasting and post-meal blood sugar ranges for individuals with and without diabetes. Keep in mind that these are general ranges and may vary depending on individual circumstances. Manage Your Blood Sugar A Daily Routine For Stable Glucose Levels

Normal Blood Sugar Ranges

  • Fasting (morning): 70-99 mg/dL (milligrams per deciliter) for individuals without diabetes and 70-125 mg/dL for those with diabetes
  • Post-meal (after 1-2 hours): Less than 140 mg/dL for individuals without diabetes and less than 180 mg/dL for those with diabetes

Blood Sugar Levels and Complications

Blood sugar levels can have significant implications for overall health. High levels can increase the risk of complications like heart disease, nerve damage, and vision loss. Conversely, low blood sugar can lead to symptoms like shakiness, dizziness, and confusion. Blood Sugar Friendly Meals That Don T Sacrifice On Flavor

Fasting Blood Sugar Levels

  • 100-125 mg/dL: Increased risk of developing type 2 diabetes
  • 126-140 mg/dL: Diabetes risk is significantly increased
  • 140-150 mg/dL: High blood sugar, may require medication or lifestyle changes
  • 151 mg/dL and above: High blood sugar, requires immediate medical attention

Post-Meal Blood Sugar Levels

  • 140-160 mg/dL: Increased risk of developing insulin resistance
  • 161-180 mg/dL: Diabetes risk is significantly increased
  • 181-200 mg/dL: High blood sugar, may require medication or lifestyle changes
  • 201 mg/dL and above: High blood sugar, requires immediate medical attention

Blood Sugar Management

Managing blood sugar levels requires a combination of healthy lifestyle choices, including a balanced diet, regular exercise, and stress management. Medications and monitoring may also be necessary for individuals with diabetes.

Lifestyle Changes

  • Eat a balanced diet that includes plenty of fruits, vegetables, and whole grains
  • Engage in regular physical activity, such as walking or cycling
  • Practice stress-reducing techniques, like meditation or yoga
  • Get enough sleep each night to help regulate blood sugar levels

Monitoring Blood Sugar

  • Use a blood glucose meter to track blood sugar levels
  • Monitor blood sugar levels at least three to four times a day
  • Keep a log to track patterns and make adjustments as needed

Managing High Blood Sugar

  • Stay hydrated by drinking plenty of water
  • Eat smaller, more frequent meals to manage blood sugar levels
  • Engage in regular physical activity to improve insulin sensitivity
  • Consider working with a healthcare provider to develop a personalized plan for managing blood sugar levels.

References and Further Reading