what should a fasting blood glucose be

Fasting blood glucose levels are an important indicator of your metabolic health. Here are the general guidelines:

• Normal: 70–99 mg/dL (3.9–5.5 mmol/L)
• Prediabetes: 100–125 mg/dL (5.6–6.9 mmol/L)
• Diabetes: 126 mg/dL (7.0 mmol/L) or higher on two separate tests

Fasting blood glucose is typically measured after not eating or drinking (except water) for at least 8 hours. If your levels are outside the normal range, consult a healthcare provider for further evaluation and management.