What are healthy blood sugar levels for a 30-year-old?

-DR. DAMANJIT DUGGAL, MBBS, MD

Fasting: 70-99 mg/dL (morning).

Post meals: 140-180 mg/dL.

Random: Below 140 mg/dL.

Pre-bedtime: 90-150 mg/dL.

HbA1c: Less than 5.7% 

Pre-exercise: 90-250 mg/dL.

CGM: Varies, often 70-180 mg/dL.

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