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Food portions: portions and servings, how much is enough for you, reading the label, at home, eating out, and on a tight budget
For anyone who wants to understand how much they eat. It passes on, by name, what the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK, part of the NIH) says: the difference between a portion and a serving, how to see how many servings you are really eating, the serving sizes that changed, what decides how much is enough for you, what to look at on the Nutrition Facts label, keeping track for a while, and tips at home, eating out and when money is tight. It is about health, not the size of your body. It builds the words to say at your next appointment, and prints a label card. Nothing is saved.
Right now
- Are you in danger right now? Call 911; you do not need to be sure (ours: NIDDK’s page names no 911).
- Has food, eating or counting become all too much? Call or text 988, any hour (ours), and see When eating has become a fight.
More help
- On this site: Eating well and moving more · Changing your habits · Helping your child eat well.
- Food and health: When you need food · High blood pressure · Diabetes.
- When it is hard: When eating has become a fight · When you need a doctor and can’t pay.
- Getting ready: Get ready for your appointment. In a crisis: Help right now (988, 911). All our free tools.
Your heart, blood pressure, blood sugar, thyroid or blood, and not sure this is the right page? The pages on this site for a heart attack or stroke, blood pressure, AFib, heart failure, cholesterol, diabetes and prediabetes, the thyroid, anemia, sickle cell and menopause, on one list.
Other guides on this site that go with this page
Free to read. We chose these ourselves; no professional did. Each guide was written with AI and has not been reviewed by a professional. They are general information, not advice.
- When it’s high cholesterol: what the numbers mean, how often to be tested, statins and other medicines, food, when it runs in the family, and what to ask: high cholesterol: what the numbers on a lab report mean, how often to be tested, the kinds of medicine and what is said about statins, food, and when it runs in the family.
- Prediabetes and insulin resistance: getting tested, what the numbers mean, and the steps that can prevent type 2 diabetes: prediabetes and insulin resistance: getting tested, what the numbers mean, and the steps that can prevent type 2 diabetes.
This page and its wording were written with AI (Claude) for Scarlet Beast (our AI policy). No doctor, nurse or dietitian has reviewed it. The facts were read on October 19, 2026 on NIDDK’s (NIH) page Food Portions: Choosing Just Enough for You (last reviewed July 2021) and its Spanish page Porciones de los alimentos: cómo escoger justo lo suficiente para usted, which say the same. The numbers (the label example of a 1-cup lasagna serving, four servings, 280 calories a serving and 560 for two; ice cream 1/2 cup to 2/3 cup and yogurt 8 ounces to 6 ounces; added sugars under 10% of daily calories and sodium 2,300 milligrams a day, less for children under 14, citing the Dietary Guidelines for Americans, 2020–2025; at least 15 minutes to feel full; three meals to serve five people) are NIDDK’s, and we add none. Ours: 911 and 988 (NIDDK names neither on this page); our eating disorders page if counting, tracking or eating has taken over; never to skip meals to reach a number; that a health condition, pregnancy or breastfeeding may mean different amounts; that every number on the label is for one serving; that not having enough food is not about your choices; that the page dates from July 2021, so it is worth asking about newer advice; the questions; the links to our other pages; and the order of the steps. What we left out: the calorie column and day total of NIDDK’s sample food tracker, and its example of a woman’s weight (this guide is about health, not the size of your body); its section on clinical trials; and its links to other sites (the FDA’s label pages, the Dietary Guidelines, the MyPlate Plan, the Body Weight Planner), which we name. Nothing you tick or type here is saved or sent.