1. A closer look – Nutrition standards and guidelines and how to use them A nutrition facts label can be found on the packaging of most food items. The label describes the nutritional composition of the food. In the United States, federal law requires that the amounts of certain nutrients be given, though manufacturers sometimes add additional information. Consider the following minimal nutrition facts label describing the nutritional composition of apples. Nutrition Facts for One Medium Apple (182 g) Calories 100 Calories from Fat 0 % Daily Value* 0% 0% 0% 0% 89 Total Fat 0 g Saturated Fat og Cholesterol 0 mg Sodium 2 mg Total Carbohydrate 259 Fiber 49 Sugars 189 Protein 09 Vitamin A 2% Calcium 2% * Percent Daily Values are calculated based on a 2.000 calorie diet. 16% • Vitamin C 15% Iron 2% Based on the label, is this food… … a source of amino acids? … a source of fatty acids? … a source of fuel molecules that supply energy? Based on the label is the most abundant macronutrient in apples.