Normal blood sugar levels for a person without diabetes generally range as follows:
- When fasting (no food for at least 8 hours): about 70 to 100 mg/dL (3.9 to 5.5 mmol/L).
- Two hours after eating: less than 140 mg/dL (7.8 mmol/L).
- Random blood sugar levels throughout the day in healthy individuals typically stay below 140 mg/dL (7.8 mmol/L).
For people with diabetes, target blood sugar levels may vary but often aim for:
- Fasting: 70 to 130 mg/dL (3.9 to 7.2 mmol/L)
- Two hours after meals: less than 180 mg/dL (10 mmol/L).
In summary, a normal blood sugar level should typically be between 70 and 100 mg/dL when fasting and less than 140 mg/dL two hours after eating for a non- diabetic person.
