What is a normal blood glucose level?

What is normal blood glucose (sugar)?

Normal human blood glucose = 4-6 mmol/L – and less than 8 mmol/L, two hours after a meal.

How are prediabetes and diabetes diagnosed?

By testing your blood glucose (and HbA1C) levels.

Blood glucose in prediabetes and diabetes

  • Prediabetes is diagnosed if your random blood glucose = 7-11 mmol/L
  • Diabetes is diagnosed if you have a random blood glucose > 11 mmol/L (or a fasting blood glucose > 7 mmol/L)

Summary

We have described what is a normal blood glucose level, and how to diagnose prediabetes and diabetes. We hope it has been helpful.