Community Answer

Answered by Dr. Emily Carter, MD 🩺

A normal fasting blood sugar level is typically between 70 mg/dL (3.9 mmol/L) and 100 mg/dL (5.6 mmol/L). Here’s a breakdown of fasting blood sugar levels:

Fasting Blood Sugar Level Interpretation

Below 70 mg/dL (3.9 mmol/L) Low (Hypoglycemia) 70–100 mg/dL (3.9–5.6 mmol/L) Normal
100–125 mg/dL (5.6–6.9 mmol/L) Prediabetes
126 mg/dL (7.0 mmol/L) or above Diabetes

Fasting blood sugar is measured after not eating for at least 8 hours. If your levels are consistently outside the normal range, consult a healthcare provider for further evaluation.

Last updated: 1/12/2025

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