The combination of slower insulin and faster food can cause blood sugar to rise absurdly high soon after eating. This is followed by a sharp drop once the mealtime insulin finally kicks in.
What should my blood sugar be 2 hours after eating?
What Are Normal Blood Sugar Levels? Theyre less than 100 mg/dL after not eating (fasting) for at least 8 hours. And theyre less than 140 mg/dL 2 hours after eating. During the day, levels tend to be at their lowest just before meals.
How long is blood sugar elevated after a meal?
Usually, blood sugar starts to rise 10-15 minutes after a meal and reaches its peak after an hour. However, these are just approximate guidelines as PPG (postprandial glucose) depends on several factors, such as the type of food consumed.
How long after waking up should you check blood sugar?
In most cases, doctors ask people to measure fasting blood sugar immediately upon waking and before they have anything to eat or drink. It may also be appropriate to test blood sugar before eating or sometimes 2 hours after a meal when blood sugar has returned to normal levels.