Watch Out For the Pizza Effect

The Pizza Effect

PizzaFoods that have a high fat content (i.e., over 25 g), such as pizza, peanuts, and ice cream, can cause a delayed blood glucose spike. The fat in these foods slows the absorption of carbohydrates, which can result in normal levels two to three hours after eating and elevated blood glucose up to eight hours after.

High protein can also slow carbohydrate digestion. Sometimes slowing carb action is desirable. For example, a bedtime snack that includes a small amount of fat and protein, such as skim milk string cheese, can help keep overnight levels on a more even keel and prevent nighttime lows.

A registered dietitian experienced in diabetes care can help you develop a meal and snack plan that's right for you.

Reviewed by Francine Kaufman, MD. 4/08

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