Hemoglobin A1c

What This Marker Means

A1c reflects your average blood sugar over the past 2–3 months. It indicates how well your body manages glucose over time and helps detect early metabolic dysfunction.

How Alcohol Affects This Marker

Alcohol can distort A1c results by affecting red blood cell lifespan—sometimes lowering A1c despite unstable glucose. High drinking can worsen insulin resistance and push A1c upward.

How to Discuss With Your Doctor

Ask whether your A1c aligns with your glucose level and overall metabolic profile. If inconsistent, mention alcohol use, as it may blur A1c’s accuracy.