Quick answer: Fasting glucose under 100 mg/dL is normal, 100 to 125 suggests prediabetes and 126 or higher suggests diabetes. HbA1c under 5.7 percent is normal, 5.7 to 6.4 is prediabetes and 6.5 or higher is diabetes. Your doctor confirms any diagnosis.
Fasting glucose
Measured after at least 8 hours without food.
HbA1c
Reflects your average over about three months.
Home testing
Wash hands, use a fresh lancet, record time and meal. Share your log with your doctor.
See the CDC.
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General information, not medical advice. GlycoZen is a dietary supplement and is not intended to diagnose, treat, cure or prevent any disease.