Health Library · Endocrine & Metabolic

Blood sugar levels — what's normal

Overview

Fasting glucose: normal <100, prediabetes 100–125, diabetes ≥126. A1c: normal <5.7%, prediabetes 5.7–6.4%, diabetes ≥6.5%. Post-meal (2 hr): normal <140.

Treatment

Prediabetes is highly reversible with 5–7% weight loss, exercise, and sometimes metformin. Diabetes management targets A1c <7% for most.

When to book a visit

Book to get A1c tested and start prevention if elevated.

Book online today