What Is a Normal Fasting Blood Sugar Level?
Fasting blood sugar measures glucose after 8+ hours without food.
Ranges
- Normal: 70–99 mg/dL
- Prediabetes: 100–125
- Diabetes: 126+ (two tests)
- Hypoglycemia: below 70
How to Prepare
- No food 8+ hours
- Water is fine
- Morning draw best
What Affects Results
- Recent food (elevates)
- Stress (elevates)
- Steroids (elevate)
- Alcohol (can lower)
Source: NLM MedlinePlus, American Association for Clinical Chemistry.
Ratings summarize government-reported measures — they don't capture your personal needs. Visit the facility, ask about staffing and services, and use CMS checklists. This profile is informational only and is not a recommendation.
Compare lab testing options near you ↗ (affiliate link)