Medicine’s Betul Hatipoglu says A1C takes months to reflect diabetes treatment

How Quickly Can You Lower Your A1C if You Have Type 2 Diabetes?

Everyday Health: Betul Hatipoglu, professor at the School of Medicine, said blood sugar can improve within weeks of treatment and lifestyle changes, but A1C typically takes about three months to reflect the full effect. She recommends combining medication, healthy eating and exercise, emphasizing sustainable progress over quickly reaching a lower number.