Know Your Blood Parameter: FBS

1. Parameter Name 

   Fasting Blood Glucose (FBS)

   
   

2. Test Type 

   Blood

   
   

3. Normal Range

   • Normal: 70–99 mg/dL

   • Prediabetes: 100–125 mg/dL

   • Diabetes: ≥ 126 mg/dL

   
   

4. High Levels Indicate 

   Prediabetes or diabetes. May also be temporarily elevated due to stress, illness, or medication.

   
   

5. Low Levels Indicate 

   Hypoglycemia, can occur due to excess insulin, fasting, or certain health conditions.

   
   

6. Why It's Tested 

   To screen for diabetes or hypoglycemia and monitor glucose control.

   
   

7. Associated Symptoms (if abnormal) 

   High: Fatigue, thirst, frequent urination Low: Sweating, dizziness, confusion

   
   

8. What To Do If Abnormal 

   Recheck levels, consider HbA1c or OGTT. Modify diet, physical activity, and medications if needed.

   
   

9. Common Conditions Related 

   Type 2 diabetes, insulin resistance, hypoglycemia

   
   

10. Nutrition or Lifestyle Connection 

    Balanced meals, fiber-rich diet, avoid skipping meals, manage stress and sleep.

    
    

11. References (APA Format) 

    Mayo Clinic. (2022). Fasting blood sugar test. 

    MedlinePlus. (2023). Blood glucose test.

    American Diabetes Association. (2024). Diabetes guidelines.