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Health Information For Teens
The nutrition facts label on your favorite breakfast cereal tells you it’s full of vitamins and minerals. So it must be healthy, right?
Just because a food is high in vitamins doesn’t mean it’s healthy overall. Sure, it’s great that your favorite cereal gives you a shot of vitamins and minerals. But what if it’s also loaded with sugar?
Eating healthy means choosing lots of different types of food throughout the day to get all the nutrients you need, such as vitamins, minerals, carbohydrates, fiber, and — yes — even fat.
So how do you figure all this out? Thank goodness for food labels!
Labels give you information that can help you decide what to choose as part of an overall healthy eating plan. For example, it may be OK to eat a sugary cereal if you make up for it by not eating much sugary stuff for the rest of the day. Checking the labels on foods can alert you when a food is high in something like sugar so you can be prepared to make tradeoffs.
Food labels provide more than just nutrition facts, though. They also tell you what’s in a packaged food (i.e., the ingredients). Some food labels also state which country the food came from, whether the food is organic, and certain health claims.
So who decides what information goes on a food label? In the United States, it’s the Food and Drug Administration (FDA) and the Department of Agriculture (USDA). These agencies require that all food labels show the same nutrition and health information. This allows consumers to compare different foods and make the choices that are right for them.
The FDA and USDA regulate any health claims that companies make on their food labels. When a food says “light” (“lite”) or “low fat” on the label, it must meet strict government definitions in order to make that claim. Foods that are labeled “USDA organic” are required to have at least 95% organic ingredients.
The first step in making food labels work for you is to look at the entire label. If you focus on only one part — like calories or vitamins — you may not be getting the full story, like how much sugar or fat is in the product. (Check out our mac and cheese example below to see why the full story is important.)
Always start with the serving size amount. That’s because all the information on the rest of the label — from calories to vitamins — is based on that amount.
Take note of how much a serving is (e.g., 1 cup, 8 oz). Sometimes a serving size will be way less than you’re used to eating — like only half a cup of cereal. So make sure you check what it is!
The label will also list how many servings are in the package. Even things that seem like they’d be a single serving, such as a bottle of juice or packet of chips, may contain more than one serving. If you eat or drink the whole thing, you’re getting more vitamins and minerals but you’re also getting way more calories, sugar, fat, and other stuff that you might not want.
A calorie is a way to measure how much energy a food provides to your body. The number on the food label shows how many calories are in one serving of that food. To get a rough idea of how many calories you need to eat each day, check out the personalized plan calculator on the U.S. government’s ChooseMyPlate website.
The calories from fat number tells you how many calories in that serving come from fat. For most people, about 30% of all the calories they eat in a day should come from fat. So if you eat 2,000 calories a day, about 600 of these calories should come from fat.
These percentages show the amounts of nutrients an average person will get from eating one serving of that food. For the purposes of food labels, the government chose an “average” person as someone who needs 2,000 calories a day. So if the label on a particular food shows it provides 25% of vitamin D, that 25% is for a person who eats 2,000 calories a day.
The percent daily value information can be complicated. But one thing it makes easy is showing at a glance if a food is high or low in a particular nutrient. Here’s how:
Total fat shows how much fat is in a single serving of food. Although eating too much fat can lead to obesity and health problems, our bodies do need some fat every day. Fats are an important source of energy and provide insulation and cushioning for the skin, bones, and internal organs. Fat also distributes and helps the body store certain vitamins.
Fat is usually measured in grams. A good rule of thumb for keeping to the 30% calories from fat rule is to check the label and choose foods that have less than 3 grams of fat or less for every 100 calories in a serving.
Some fats are better than others. Unsaturated fats, which are found in vegetable oils, nuts, and fish, are often called “good fats.” That’s because they don’t raise cholesterol levels like saturated fats and trans fats do. Both saturated and trans fats are considered “bad” because they can increase a person’s risk for developing heart disease. These types of fat are solid at room temperature (picture them clogging your arteries).
Saturated fats usually come from animal products like cheese, meats, and ice cream. Trans fats are naturally found in these foods too, but they are also in vegetable oils that have been specially treated (hydrogenated) so they are solid at room temperature — like shortening. The amount of saturated and trans fats that are in a food are shown below total fat on the nutrition facts label. Less than 10% of calories should come from saturated fats and try to keep trans fats as low as possible.
Cholesterol isn’t entirely bad for you — it’s important to production of vitamin D and some hormones, and to building many other substances in the body. The liver manufactures most of the cholesterol a person needs, but cholesterol is also found in the foods we eat.
Blood cholesterol comes in two major types: HDL (the “good” kind) and LDL (the “bad” kind). Too much LDL cholesterol in a person’s blood increases the risk of heart disease. So it’s a good idea for even teens to watch how much cholesterol they eat, along with saturated and trans fats, which tend to raise levels of LDL cholesterol in the blood.
Sodium is a component of salt. Almost all foods contain sodium because it adds flavor and helps preserve food. Processed, packaged, and canned foods usually have more sodium than freshly made foods.
Small amounts of sodium keep proper body fluid balance. Sodium also helps the body transmit electrical signals through nerves. But too much sodium can increase water retention and blood pressure in people who are sensitive to it.
This amount covers all carbohydrates, including fiber and sugar. The best sources of carbohydrates are fruits and vegetables, along with whole-grain foods like cereals, breads, pasta, and brown rice. Most of your daily calorie intake should come from carbohydrates.
Sugars are found in most foods. When a food contains lots of sugar, the calories can add up quickly. Soda, snack foods and other foods that are high in added sugar are considered “empty calories” because they usually don’t offer a lot of other nutrients.
Sugars are listed separately under Total Carbohydrates. Checking sugar quantities on labels can be really eye opening. Often there’s way more than you’d expect. For example, sometimes manufacturers cut back on fat but add sugar to keep a food tasting good. With a little label study, you may notice that some low-fat foods have nearly as many calories as their regular versions.
Fiber is not digested and helps keep your digestive system healthy. Fiber can also help reduce cholesterol levels. Best of all, fiber has no calories and it can help you feel full. So check the label and pick foods that have at least 3 grams of fiber per serving.
Most of the body — including muscles, skin, and the immune system — is made up of protein. If the body doesn’t get enough fat and carbohydrates, it can use protein for energy. So be sure the foods you eat give you some protein.
It goes without saying that you want to choose foods that are high in a variety of vitamins and minerals. The FDA requires food manufacturers to include information about vitamin A, vitamin C, calcium and iron. Sometimes you’ll see other important vitamins and minerals listed on the label, especially if the product contains significant amounts. Some vitamins — like vitamin C — are water soluble, which means that the body can’t store them so they need to be consumed daily.
Food labels can’t tell you what foods to eat — that’s your decision! But they can help you find foods that taste good and treat your body right.
Visit our nutrition and fitness center for teens to get information and advice on food, exercise, and sports.
You don’t need to be a dietitian to figure out how to make healthy food choices. Before grabbing a shopping cart and heading for the aisles, read this article to make grocery shopping a snap.
From all you hear, you’d think fat and calories are really bad for you, but we all need a certain amount of them in our diets. Find out the truth about fat and calories.
Lots of us don’t realize we’re eating too much because we’ve become so used to large portions. This article for teens helps you take control of your plate.
Vitamins and minerals are nutrients that the body needs to work properly. They boost the immune system, promote normal growth and development, and help cells and organs do their jobs.
Cholesterol is a type of fat found in your blood. The body needs some cholesterol, but too much can be a problem. Discover more about cholesterol in this article for teens.
We all know the importance of eating well. But how are you supposed to do so when your schedule is so demanding you’re never at home? Find out how to make healthy food choices on the go.
Healthy snacks are essential for busy teens. Find out how eating nutritious snacks throughout the day can keep your energy level high and your mind alert.
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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