What to know first
- A1C, fasting plasma glucose, and the oral glucose tolerance test can identify prediabetes.
- Lifestyle changes can help delay or prevent type 2 diabetes.
- Follow-up timing should be individualized with a clinician.
Confirm the context
Ask which test was used, whether it needs confirmation, and what other factors affect your risk: family history, prior gestational diabetes, blood pressure, cholesterol, weight, medicines, sleep, and activity. A1C is convenient, but not equally reliable in every condition.
Prediabetes may not cause symptoms. Waiting to “feel high sugar” is not a useful monitoring plan.
Build support around behavior
A structured lifestyle program can help with eating patterns, activity, and gradual weight change when appropriate. Choose changes that fit culture, budget, schedule, mobility, and household routines.
Discuss how often to repeat testing and whether medication is appropriate for your risk profile. A supplement should not replace proven prevention strategies or prescribed treatment.
Sources and further reading
We prioritize authoritative public-health and government sources. Open each source to review the original guidance and latest updates.