changes to your diet can have an immediate affect on your daily blood sugars. but as for as your hemoglobin a1c levels that takes about 3 months to see a difference. that is because the test measures blood sugar management over a 3 month period of time. if you keep your blood sugars down consistently your next test should decrease quite a bit. for more read glycohemoglobin (a1c)
how long after changing my diet should i expect to see a drop of my blood sugar scores? . just curious. have recently been diagnosed with type 2 and have changed my diet significantly. how long before a diet change would influence my numbers?