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Ask an RD: How to Read a Food Label Like an Expert

Nutrition labels on food contain a lot of (very useful) information, especially for someone on a weight loss journey. But did you know they weren’t always there? 

It wasn’t until the 1990s that the Food and Drug Administration (FDA) started mandating standardized nutritional information on packaged foods. Let’s just say a lot went into deciding what needed to be included and how… and it can make reading a food label today a bit overwhelming.

We asked our current RD-in-residence, Erin Utz, RD/RDN, to give us some insider tips on what she tells her patients to look for when reading food labels.

Tip #1: Do Not Be Distracted By the Flashy Front 
It’s in the food brand’s best interest to have the front of their product be bright and eye-catching, maybe even throwing in a few health-related claims in big letters on there. Utz says to ignore that and head to the back of the packaging, where the good stuff is: the nutrition label. 

Tip #2: Confirm the Serving Size 
At the top of the food label is the suggested serving size. But is it your serving size? Maybe not, and that can make a huge difference in the amount of calories and macronutrients you consume. “If a serving of something has 200 calories and 5g of fat but you would normally eat two servings of it, you must double the calories and fat,” says Utz. “This is how it can be easy to eat too many calories without realizing it.

 

Example labels from U.S. National Insitute of Health.

 

Some food packages have special versions of the label that include the nutritional information for the entire package, in addition to a serving size. These tend to be foods that people could consume in a single serving—think a pint of ice cream—and could be something to watch out for if you struggle with overeating. 

Tips #3: Demystify the Daily Percentages 
You don’t need to whip out your phone’s calculator to understand the percentages listed on the right side of the nutrition label. First off, they won’t add up to 100%. These are the percentages of the daily value (DV) of specific nutrients—aka how much of a nutrient this food item contains compared proportionally with the recommended daily amount. For example, a food label may list 10g of fat, or 10% DV.

“You can use this to learn how much of certain nutrients is recommended,” says Utz. “But that can get complicated. I tell my patients to use 5% and 20% DV as benchmarks.”

  • Look for 5% or less of the nutrients you want to get LESS of
    • These include saturated fat, added sugar, and sodium (too much of these can contribute to health issues, such as high blood pressure or cholesterol)
  • Look for 20% or more of the nutrients you want to get MORE of
    • These include dietary fiber, Vitamin D, calcium, iron, and potassium (people don’t tend to get enough of these nutrients)

It’s important to talk to your RD or healthcare provider about any additional nutritional considerations specific to you.

Tip #4: Use the Rule of 5
When you’re pressed for time at the grocery store, you don’t always have the time to dive into the full ingredients and nutrition label for everything you pick up. In this case, Utz recommends using the Rule of 5. “If a food item has <5 ingredients, <5 g added sugar, and >5 g fiber,” she explains, “it’s most likely a smart pick.” 

She adds that it’s important to talk to your RD or healthcare provider to establish your nutrition needs. They can help you create a personalized list of ingredients to prioritize or avoid. 

Tip #5: No Label Is the Best Label of All
Last but not least, our RD-in-residence notes it’s often the healthiest foods, like fruits, veggies, and other whole foods, that don’t contain nutrition labels. Balancing out these types of nutritious foods with packaged food items (selected with the above tips) will help you get a complete diet while on your weight loss journey!

Erin Utz is a paid consultant for Currax Pharmaceuticals.

 

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Important Safety Information
What is CONTRAVE?
See More 

CONTRAVE can cause serious side effects including:

Suicidal thoughts or actions: One of the ingredients in CONTRAVE is bupropion. Bupropion has caused some people to have suicidal thoughts or actions or unusual changes in behavior, whether or not they are taking medicines used to treat depression. Bupropion may increase the risk of suicidal thoughts or actions in some children, teenagers, and young adults within the first few months of treatment. If you already have depression or other mental illnesses, taking bupropion may cause it to get worse, especially within the first few months of treatment.

CONTRAVE is a prescription weight-loss medicine that may help some adults with a body mass index (BMI) of 30 kg/m2 or greater (obese), or adults with a BMI of 27 kg/m2 or greater (overweight) with at least one weight-related medical problem such as high blood pressure, high cholesterol, or type 2 diabetes, lose weight and keep the weight off.

Important Safety Information
See More
CONTRAVE can cause serious side effects including:
Suicidal thoughts or actions: One of the ingredients in CONTRAVE is bupropion. Bupropion has caused some people to have suicidal thoughts or actions or unusual changes in behavior, whether or not they are taking medicines used to treat depression. Bupropion may increase the risk of suicidal thoughts or actions in some children, teenagers, and young adults within the first few months of treatment. If you already have depression or other mental illnesses, taking bupropion may cause it to get worse, especially within the first few months of treatment.
What is CONTRAVE?
See More
CONTRAVE is indicated as an adjunct to a reduced-calorie diet and increased physical activity for chronic weight management in adults with an initial body mass index (BMI) of:
Important Safety Information
What is CONTRAVE?
See Less 

CONTRAVE can cause serious side effects including:

Suicidal thoughts or actions: One of the ingredients in CONTRAVE is bupropion. Bupropion has caused some people to have suicidal thoughts or actions or unusual changes in behavior, whether or not they are taking medicines used to treat depression. Bupropion may increase the risk of suicidal thoughts or actions in some children, teenagers, and young adults within the first few months of treatment. If you already have depression or other mental illnesses, taking bupropion may cause it to get worse, especially within the first few months of treatment.

While taking CONTRAVE, you or your family members should pay close attention to any changes, especially sudden changes, in mood, behaviors, thoughts, or feelings. This is very important when you start taking CONTRAVE or when your dose changes.

Stop taking CONTRAVE and call a healthcare provider right away if you or your family members notice any of the following symptoms, especially if they are new, worse, or worry you: thoughts about suicide or dying; attempts to commit suicide; depression; anxiety; feeling agitated or restless; panic attacks; irritability; aggression, anger, or violence; acting on dangerous impulses; an extreme increase in activity and talking; other unusual changes in behavior or mood; trouble sleeping.

CONTRAVE is not approved for use in children under the age of 18.

Do not take CONTRAVE if you have uncontrolled high blood pressure; have or have had seizures; use other medicines that contain bupropion such as WELLBUTRIN, WELLBUTRIN SR, WELLBUTRIN XL, APLENZIN and ZYBAN; have or have had an eating disorder called anorexia or bulimia; are dependent on opioid pain medicines or use medicines to help stop taking opioids, or are in opiate withdrawal; drink a lot of alcohol and abruptly stop drinking, or use medicines called sedatives (these make you sleepy), benzodiazepines, or anti‐seizure medicines and stop using them all of a sudden; are taking or have taken medicines called monoamine oxidase inhibitors (MAOIs) in the past 14 days; or are allergic to any of the ingredients in CONTRAVE.

Tell your healthcare provider about all of your medical conditions, including if you have: depression or other mental illnesses; attempted suicide; seizures; head injury; tumor or infection of brain or spine; low blood sugar or low sodium; liver or kidney problems; high blood pressure; heart attack, heart problems, or stroke; eating disorder; drinking a lot of alcohol; prescription medicine or street drug abuse; are 65 or older; diabetes; pregnant or planning to become pregnant; or breastfeeding.

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

CONTRAVE may cause serious side effects, including:

  • Seizures. There is a risk of having a seizure when you take CONTRAVE. The risk of seizure is higher in people who take higher doses of CONTRAVE, have certain medical conditions, or take CONTRAVE with certain other medicines. Do not take any other medicines while you are taking CONTRAVE unless your healthcare provider has said it is okay to take them. If you have a seizure while taking CONTRAVE, stop taking CONTRAVE and call your healthcare provider right away.

  • Risk of opioid overdose. Do not take large amounts of opioids, including opioid-containing medicines, such as heroin or prescription pain pills, to try to overcome the opioid-blocking effects of naltrexone. This can lead to serious injury, coma, or death.

    Get emergency medical help right away if you take opioids and you:

    • have trouble breathing

    • become very drowsy with slowed breathing

    • have slow, shallow breathing

    • feel faint, very dizzy, confused, or have unusual symptoms

  • Sudden opioid withdrawal. People who take CONTRAVE must not use any type of opioid, including street drugs, prescription pain medicines, cough, cold, or diarrhea medicines that contain opioids, or opioid dependence treatments, for at least 7 to 10 days before starting CONTRAVE. Using opioids in the 7 to 10 days before you start taking CONTRAVE may cause you to suddenly have symptoms of opioid withdrawal when you take it. Sudden opioid withdrawal can be severe, and you may need to go to the hospital. Tell your healthcare provider you are taking CONTRAVE before a medical procedure or surgery.

  • Severe allergic reactions. Stop taking CONTRAVE and call your healthcare provider or go to the nearest hospital emergency room right away if you have any of the following signs and symptoms of an allergic reaction: rash, itching, hives, fever, swollen lymph glands, painful sores in your mouth or around your eyes, swelling of your lips or tongue, chest pain, or trouble breathing.

  • Increases in blood pressure or heart rate. Some people may get high blood pressure or have a higher heart rate when taking CONTRAVE. Your healthcare provider should check your blood pressure and heart rate before you start taking, and while you take CONTRAVE.

  • Liver damage or hepatitis. Stop taking CONTRAVE and tell your healthcare provider if you have any of the following symptoms of liver problems: stomach area pain lasting more than a few days, dark urine, yellowing of the whites of your eyes, or tiredness. Your healthcare provider may need to stop treating you with CONTRAVE if you get signs or symptoms of a serious liver problem.

  • Manic episodes. Bupropion can cause some people who were manic or depressed in the past to become manic or depressed again.

  • Visual problems (angle-closure glaucoma). Signs and symptoms may include: eye pain, changes in vision, swelling or redness in or around the eye. Talk with your healthcare provider to find out if you are at risk for angle‐closure glaucoma and to get treatment to prevent it if you are at risk.

  • Increased risk of low blood sugar in people with type 2 diabetes mellitus who also take medicines to treat their diabetes (such as insulin or sulfonylureas). You should check your blood sugar before you start taking CONTRAVE and while you take CONTRAVE.

The most common side effects of CONTRAVE include nausea, constipation, headache, vomiting, dizziness, trouble sleeping, dry mouth, and diarrhea. These are not all of the possible side effects of CONTRAVE.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.

What is CONTRAVE?

CONTRAVE is a prescription weight-loss medicine that may help some adults with a body mass index (BMI) of 30 kg/m2 or greater (obese), or adults with a BMI of 27 kg/m2 or greater (overweight) with at least one weight-related medical problem such as high blood pressure, high cholesterol, or type 2 diabetes, lose weight and keep the weight off.

CONTRAVE should be used with a reduced-calorie diet and increased physical activity.

It is not known if CONTRAVE changes your risk of heart problems or stroke or of death due to heart problems or stroke.

It is not known if CONTRAVE is safe and effective when taken with other prescription, over-the-counter, or herbal weight-loss products.

CONTRAVE is not approved to treat depression or other mental illnesses, or to help people quit smoking (smoking cessation).

Please see Full Prescribing Information, including Medication Guide, for CONTRAVE.