Your blood sugar level rises immediately after eating a meal or snack (Figure 2). In a healthy person, insulin then starts working, and the blood sugar level returns to the pre-meal level 2 hours after eating.
How long after meal does insulin spike?
The exact timing of a high blood glucose spike can vary from person to person and meal to meal. However, on average, after-meal peaks tend to occur about one hour and 15 minutes after the start of a meal.
What is normal blood sugar spike after eating?
Experts vary on what the number should be, but the ADA says a general goal is a blood sugar level under 180 mg/dL, 1 to 2 hours after a meal.
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