what is the safe sugar level in blood

The safe blood sugar levels vary depending on whether you are fasting, have eaten recently, or have diabetes. Here are general guidelines:

• Fasting (before eating): 70–99 mg/dL (3.9–5.5 mmol/L)
• 2 hours after eating: Less than 140 mg/dL (7.8 mmol/L)
• For people with diabetes:
  • Fasting: 80–130 mg/dL (4.4–7.2 mmol/L)
  • 2 hours after eating: Less than 180 mg/dL (10.0 mmol/L)

These ranges may vary slightly depending on individual health conditions and guidelines from healthcare providers. Always consult your doctor for personalized targets.