Know Your Blood Parameters: Insulin
- Summarised by TGHC Editorial Team
- Aug 9
- 1 min read

Parameter Name
Insulin
Test Type
Blood
Normal Range
Fasting: 2.6 – 24.9 µIU/mL
High Levels Indicate
Insulin resistance, type 2 diabetes, insulinoma.
Low Levels Indicate
Type 1 diabetes, pancreatic beta-cell failure.
Why It's Tested
To evaluate pancreatic beta-cell function, insulin resistance, and help diagnose diabetes types.
Associated Symptoms (if abnormal)
High: Weight gain, fatigue, signs of metabolic syndrome.
Low: Weight loss, polyuria, polydipsia.
What To Do If Abnormal Correlate with glucose levels, consider glucose tolerance test; endocrinology consult.
Common Conditions Related
Diabetes mellitus, insulinoma, metabolic syndrome.
Nutrition or Lifestyle Connection
Balanced diet, weight management, regular exercise improves insulin sensitivity.
References (APA Format)
American Diabetes Association. (2023). Standards of Medical Care in Diabetes.
MedlinePlus. (2023). Insulin Test.https://medlineplus.gov/lab-tests/insulin-test/



