How to Read Nutrition Labels Without the Headache
Nutrition labels are designed to inform, but they often end up confusing. Weird serving sizes, incomprehensible percentages, long ingredient lists... This guide teaches you how to extract the 5 pieces of information that really matter in less than 10 seconds.
Steps
Check the serving size
This is the number one trap. A bag of chips might show 130 kcal, but that's for a 30g serving when the bag is 150g. Before reading anything else, check if values are for 100g (standard in many regions) or per serving. Always compare based on 100g to be able to compare products effectively.
Read the energy line
Calories (kcal) give a quick overview. For a main course, aim for 400-600 kcal per serving. For a snack, 100-200 kcal. A product exceeding 250 kcal per 100g is considered high-calorie. These benchmarks save you from having to analyze every nutrient in detail.
Decipher the macronutrient breakdown
Three lines matter: proteins, carbohydrates (of which sugars), and fats (of which saturates). A good product has a high protein-to-calorie ratio. For carbs, the sugar proportion should stay under 25% of total carbs. For fats, saturates shouldn't exceed a third of the total.
Spot hidden sugars
Sugar hides under thirty different names: dextrose, maltodextrine, glucose-fructose syrup, invert sugar, fruit juice concentrate... If the "of which sugars" line exceeds 10g per 100g in a product that isn't a fruit or dessert, be wary. A tomato sauce with 12g of sugar per 100g is 3 sugar cubes per serving.
Check the order of the ingredient list
Ingredients are listed by weight in descending order. If sugar, palm oil, or an additive appears in the first 3, put the product back. Good ham starts with "pork ham," not "water, starch." Simple rule: the fewer ingredients, the better.
Labeling requirements in Europe
The European FIC regulation (1169/2011) requires all pre-packed products to display energy, fats, saturated fatty acids, carbohydrates, sugars, proteins, and salt per 100g or 100ml. The Nutri-Score (A to E) is voluntary in France but adopted by most brands. Allergens must be highlighted in the ingredient list, usually in bold. Knowing these requirements helps you spot products playing in the gray areas.
The 5% / 15% rule
This simple rule keeps you from going crazy with numbers. If a nutrient accounts for less than 5% of the daily value per serving, it's low. If it's more than 15%, it's high. Apply this to salt, sugars, and saturates: you want to stay under 5%. Apply it to fiber and protein: you want to exceed 15%. In many regions, reference values are based on 2000 kcal/day for an adult.
Marketing claims vs. nutritional reality
"Light," "source of protein," "high in fiber": these terms are regulated but often misleading. A "low-fat" product simply has 30% less fat than the original version—if it had 30g, it now has 21g, which is still high. "No added sugar" doesn't mean sugar-free: a fruit juice can contain 40g of natural sugars per bottle. Always read the nutrition table, never just the front of the package.
FoodCraft Tip
FoodCraft tracks all macros automatically
Every recipe in FoodCraft displays precise macronutrients per serving, calculated from our database of 1907 verified ingredients. No more deciphering labels: values are clear, per actual serving, and adaptable to your personal goals.
Frequently Asked Questions
Are the nutritional values on labels reliable?
Is a Nutri-Score A necessarily healthy?
How many grams of salt per day maximum?
Should I avoid all additives?
How to compare two products quickly?
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