Glucose Explained
What Is HbA1c?
HbA1c is a laboratory marker reflecting average glycemic exposure over a longer period than a single glucose reading.
Health note: This page is educational and does not diagnose, treat, cure or prevent disease. Supplements can interact with medicines and may not be appropriate for everyone. If you use glucose-lowering medication, are pregnant or breastfeeding, or have a medical condition, discuss supplements with a qualified health professional.
Different from a meter snapshot
HbA1c reflects longer-term glycemic exposure, whereas a glucose meter reading reflects one point in time.
It has limitations
Conditions affecting red blood cells and hemoglobin can influence interpretation. Clinical context matters.