Diabetes: Learning About Serving and Portion Sizes
|A good rule of thumb: Devote half your plate to vegetables and green salad. Split the other half between protein and starchy carbohydrates. Fruit makes a good dessert.
Servings and portions. What’s the difference? These terms can be very confusing. But learning to measure serving sizes can help you figure out how many carbohydrates (“carbs”) and other foods you eat each day. They are also powerful tools for managing your weight.
Servings and portions
Many different words are used to describe amounts of food. If your healthcare provider uses a term you’re not sure of, don’t be afraid to ask. It helps to know the difference between servings and portions:
A serving size is a fixed size. Food producers use this term to describe their products. For example, the label on a cereal box could say that 1 cup of dry cereal = 1 serving.
A portion (also called a “helping”) is how much you eat or how much you put on your plate at a meal. For example, you might eat 2 cups of cereal at breakfast.
Watching serving sizes
The portion you choose to eat (such as 2 cups of cereal) may be more than 1 serving as listed on the food label (such as 1 cup of cereal). That’s why it helps to measure or weigh the food you eat. Because the food label values are based on servings, you’ll need to know how many servings you eat at 1 sitting.
When you’re planning for a snack or a meal, keep servings in mind. If you don’t have measuring cups or a scale handy, there are ways to “eyeball” serving sizes, such as comparing your food to the size of your hand (see pictures below).
1 tablespoon is about the size of your thumb.
1 teaspoon is about the size of the tip of your thumb.
1 serving of meat or poultry is the size of the palm of your hand.
Managing portion sizes
If your weight is a concern, reducing your portions can help. You can eat more than one serving of a food at once. But to keep from eating too much at one meal, learn how to manage your portions. A portion is the amount of each type of food on your plate.
Online Medical Reviewer:
Marianne Fraser MSN RN
Online Medical Reviewer:
Raymond Kent Turley BSN MSN RN
Date Last Reviewed:
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