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. In untreated diabetes patients, the blood sugar level does not return to the pre-meal level of its own accord.
How long does it take for blood sugar to spike after eating?
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.
Does food immediately affect blood sugar?
While there are no foods that bring down blood sugar levels quickly, adding the following to your diet can help keep your diabetes under control. Although diet plays a major role in regulating your blood sugar levels, there are no such foods that can bring down the blood sugar level quickly.
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