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How to Correctly Read a Food Label for Better Health

5 min read

According to a 2021 study, a significant number of consumers struggle to interpret nutritional information, making healthy grocery shopping a challenge. However, understanding how to correctly read a food label is a powerful skill that can transform your diet and well-being.

Quick Summary

A breakdown of the essential parts of a food label, from understanding serving sizes and calories to deciphering the ingredients list and interpreting percent daily values, to help you make informed food purchases.

Key Points

  • Start with Serving Size: All other nutritional values depend on this metric. Check the servings per container and adjust your calculations for the amount you actually eat.

  • Scrutinize the Ingredients List: Ingredients are listed by weight, so the first few items are the most abundant. Look for simple, whole-food ingredients near the top and be wary of long, complex lists.

  • Limit Saturated and Added Sugars: Use the %DV to identify products low in saturated fat, trans fat, and added sugars (aim for 5% or less).

  • Seek Beneficial Nutrients: Use the %DV to choose foods high in fiber, vitamins (like D), and minerals (like calcium and iron) (aim for 20% or more).

  • Ignore Front-of-Package Marketing: Terms like "Natural," "Low-Fat," or "Multigrain" can be misleading marketing claims. Always turn the package over and read the facts.

  • Compare Similar Products: Use the 'per 100g' or 'per 100ml' column for an accurate, standardized comparison between similar food items.

  • Check for Hidden Sugars: Be aware of the many names for sugar, such as corn syrup, maltose, and dextrose, that might be hidden in the ingredients list.

In This Article

Decoding the Nutrition Facts Panel

To correctly read a food label, you must first focus on the Nutrition Facts panel, which provides the most critical health information. Ignoring the front-of-package claims, which can often be misleading, is key to making an informed decision.

Serving Information: The Starting Point

At the very top of the panel, you'll find the serving size and servings per container. This is arguably the most crucial section, as all other values—calories, nutrients, and daily values—are based on this standardized serving size, not on how much you personally eat. Manufacturers sometimes list unrealistically small serving sizes to make a product appear healthier. Always compare the listed serving size to the amount you actually consume and multiply the nutritional values accordingly. For instance, if you eat the entire bag of chips and the label lists two servings, you must double all the nutrient and calorie amounts.

Calories: Not the Whole Story

The calories per serving are displayed in a prominent, bold font. While a high-calorie count may be a red flag for some, it's essential to look at the source of those calories rather than focusing solely on the number. A product may be low in calories but high in sugar or artificial ingredients, making it a less healthy choice than a higher-calorie, nutrient-dense food.

Nutrients to Limit and Nutrients to Seek

The panel separates nutrients into categories you should generally limit and those you should aim to get enough of.

Nutrients to Limit:

  • Saturated Fat and Trans Fat: These fats can increase cholesterol and risk of heart disease. The goal is to choose products with a low % Daily Value (DV) for these. Some labels might list “0 g” of trans fat but still contain “partially hydrogenated oil” in the ingredient list, meaning there is less than 0.5 grams per serving. If you consume multiple servings, this can add up.
  • Sodium: A high sodium intake is linked to high blood pressure. Look for products with a low % DV for sodium, particularly if you are monitoring your blood pressure.
  • Added Sugars: This is one of the most important updates to modern food labels. The label now distinguishes between naturally occurring sugars and added sugars. Excess added sugar intake is associated with negative health outcomes.

Nutrients to Seek:

  • Dietary Fiber: Essential for digestive health, fiber can also help you feel full. Choose foods with a high % DV for fiber.
  • Vitamins and Minerals: Key nutrients like Vitamin D, Calcium, Iron, and Potassium are important for various bodily functions. A high % DV here indicates a nutrient-rich product.

The All-Important Ingredients List

Below the Nutrition Facts panel, the ingredients are listed in descending order by weight, meaning the first ingredient is the most abundant in the product.

  • Scan the First Three: A good rule of thumb is to look at the first three ingredients. If they are sugar, refined grains, or unhealthy oils, the product is likely highly processed and less nutritious.
  • Spot Hidden Sugars: Manufacturers often use multiple types of sugar to hide the true amount. Be aware of aliases like corn syrup, dextrose, fructose, and evaporated cane juice.
  • Fewer Ingredients, Better Product: In many cases, a shorter ingredients list indicates a less processed product, which is often a healthier option.

Comparison Table: Comparing Two Cereal Boxes

Feature Brand A (Whole Grain Cereal) Brand B (Sugar-Frosted Cereal)
Serving Size 1 cup (30g) 1 cup (30g)
Calories 120 180
Ingredients Whole grain oats, dried fruit, nuts, spices Corn, sugar, dextrose, modified corn starch, canola oil
Total Sugars 8g (all natural) 15g (12g added)
Dietary Fiber 5g 1g
Protein 4g 2g
Verdict Significantly healthier with more fiber and less added sugar. High in added sugars and processed ingredients, less nutritious.

Deciphering Percent Daily Value (%DV)

The %DV column on the right side of the label indicates how a single serving of the food contributes to your overall daily diet, based on a 2,000-calorie diet.

  • 5% DV or Less is Low: This is your target for nutrients you want to limit, such as saturated fat, sodium, and added sugars.
  • 20% DV or More is High: This is your goal for nutrients you want more of, like dietary fiber, Vitamin D, and calcium.

Conclusion

Mastering how to correctly read a food label is a powerful step towards taking control of your dietary choices and overall health. By moving past front-of-package marketing hype and focusing on the core nutritional information, you can make smarter, more informed decisions every time you shop. Understanding serving sizes, scrutinizing the ingredients list for hidden sugars and unhealthy fats, and interpreting the %DV are all fundamental skills for nourishing your body properly. Knowledge of your food is the first ingredient in a healthy lifestyle.

For more detailed information on U.S. food labeling regulations, you can refer to the official FDA guide on understanding and using the Nutrition Facts label.

Other Label Details to Notice

  • Allergen Information: Major allergens such as peanuts, milk, eggs, soy, and wheat are often listed separately or in bold within the ingredients list.
  • Date Marking: Distinguish between 'Use By' dates (for safety) and 'Best Before' dates (for quality).
  • Country of Origin: This helps you know where your food and its ingredients come from.
  • Health Claims: Be skeptical of claims like 'natural' or 'made with real fruit,' as they can be misleading.

Navigating Common Food Labeling Myths

  • Myth: "Organic" means pesticide-free. Reality: Organic foods are grown with naturally derived pesticides, not synthetic ones.
  • Myth: "Low-fat" or "low-calorie" means healthy. Reality: Fat or calories are often replaced with high amounts of sugar or additives to improve taste.
  • Myth: "Multigrain" means whole grain. Reality: Multigrain simply means multiple grains are used, and they are not necessarily whole grains.
  • Myth: Eggs will kill you. Reality: Modern research shows dietary cholesterol has a minimal impact on blood cholesterol for most people.

Making Your Final Choice

After breaking down the label, you should be able to make an educated decision. Always weigh the nutritional information against the ingredient list. A product with a decent macronutrient profile but a lengthy ingredient list filled with unrecognizable terms is often highly processed. Conversely, a product with a simple list of whole-food ingredients is likely a better choice, even if some of the nutritional numbers are similar. The power is in your hands to choose the best fuel for your body.

Frequently Asked Questions

The most important thing to check first is the serving size and the number of servings per container. All other information on the label, including calories and nutrients, is based on that specific serving size, so it's crucial to know how it relates to what you actually eat.

You can find the amount of 'Added Sugars' listed under the 'Total Sugars' line in the Nutrition Facts panel. You should aim to consume less of these, so look for a low % Daily Value (5% or less). Additionally, check the ingredients list for multiple sugar aliases like corn syrup, fructose, and maltose.

A %DV of 5% or less is considered low for that nutrient, while a %DV of 20% or more is considered high. Use this as a guide to choose products with a low %DV for nutrients like saturated fat and sodium and a high %DV for beneficial nutrients like fiber, vitamin D, and calcium.

The ingredients are listed in descending order by weight. A good practice is to scan the first three ingredients to see what the product is primarily made of. Look for whole, recognizable foods and be cautious of products with long lists of complex, unfamiliar ingredients, which are often highly processed.

No, these are marketing terms that can be misleading. 'Low-fat' products might replace fat with high amounts of sugar or salt. The term 'natural' is not clearly defined by regulatory bodies and says nothing about the product's overall nutritional quality. Always read the Nutrition Facts panel and ingredients list for the full picture.

To compare products accurately, use the 'per 100g' or 'per 100ml' column on the Nutrition Information Panel, rather than the 'per serve' column. This eliminates variations in serving sizes between different manufacturers, allowing for a true nutritional comparison.

A 'Use By' date is a strict safety recommendation for perishable items, and food should not be consumed after this date. A 'Best Before' date indicates quality rather than safety; the food may still be safe to eat after this date but could have lost some quality.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.