US FDA Food Labeling Regulations (21 CFR Part 101) 101.9-CONTENT: Nutrition labeling: the mandatory Nutrition Facts declaration (calories, total fat, saturated fat, trans fat, cholesterol, sodium, total carbohydrate, dietary fiber, total sugars, added sugars, protein, vitamin D, calcium, iron, potassium) with Daily Values, rounding and the voluntary nutrients (101.9(a) to (d))

What does 101.9-CONTENT require?

Nutrition information must be provided for all foods offered for sale, except as exempted in 101.9(j), in the 'Nutrition Facts' format: serving size and servings per container, calories, and the amounts of total fat, saturated fat, trans fat, cholesterol, sodium, total carbohydrate, dietary fiber, total sugars, added sugars (with 'includes' wording), protein, vitamin D, calcium, iron and potassium, with the percent Daily Value for each where a Daily Value exists, expressed per serving with the rounding rules and increments of 101.9(c), based on the Reference Daily Intakes and Daily Reference Values of 101.9(c)(8) and (9) (for example 2,000 calories, 78 g total fat, 20 g saturated fat, 2,300 mg sodium, 275 g carbohydrate, 28 g fiber, 50 g added sugars, 50 g protein). Other vitamins and minerals, polyunsaturated and monounsaturated fat, soluble and insoluble fiber, sugar alcohols and fluoride may be declared voluntarily, and must be declared when a claim is made about them or when they are added as nutrients.