Nutrition guides

Plain explanations of the numbers on FoodFactly pages.

• How to Read Nutrition Facts: per 100 g, per Serving and % Daily Value

  What the numbers on a nutrition table mean, why FoodFactly shows values per 100 g, and how to convert them to the amount you actually eat.

• Daily Values for Nutrients: the Reference Amounts Behind %DV

  The FDA Daily Values used on FoodFactly to calculate the percentages on every food page, for fat, sodium, fiber, vitamins and minerals.

• Raw vs Cooked Food Nutrition: Why the Numbers Differ

  Why 100 g of cooked rice, pasta or meat has different calories and nutrients than 100 g raw, and how FoodFactly keeps the two apart.

• Data Sources and Methodology: Where FoodFactly Nutrition Data Comes From

  How FoodFactly collects nutrition data from USDA FoodData Central and Open Food Facts, how values are checked, and what measured, calculated and label values mean.

• Calories Explained: kcal, kJ and Where Food Energy Values Come From

  What a food calorie is, how kilocalories relate to kilojoules, and how the energy values on FoodFactly are measured or calculated.

• Macronutrients: Protein, Carbohydrates and Fat in Food

  A plain guide to the three macronutrients shown on every FoodFactly page, what each value includes, and how they relate to calories.

Nutrient hubs: calories, protein, carbohydrates, vitamins, minerals.