Which food has the highest glycemic index for a patient with diabetes?

The baked potato is recognized for having the highest glycemic index among the options listed. The glycemic index (GI) measures how quickly carbohydrate-containing food raises blood glucose levels. Foods with a high GI can lead to a rapid spike in blood sugar, which is particularly important for individuals with diabetes to manage.

Baked potatoes, particularly when prepared without skins, have a high glycemic index due to their high starch content, which is rapidly digested and converted into glucose in the bloodstream. This rapid conversion can lead to significant increases in blood sugar levels, making it crucial for patients with diabetes to monitor their intake of such foods.

In contrast, sweet corn, macaroni, and peanuts tend to have lower glycemic indices. Sweet corn and macaroni, while still containing carbohydrates, do not elevate blood glucose levels as quickly as baked potatoes. Peanuts, on the other hand, contain healthy fats and protein, which contribute to a lower GI, making them a better snack option for blood sugar management.

Thus, when considering the impact of these foods on blood glucose levels for a patient with diabetes, the baked potato stands out as the one with the highest glycemic index.