Terms such as low fat, low-calorie,

Terms such as low fat, low-calorie, low cholesterol, and low-sodium must now refer to foods that can be eaten frequently without a person exceeding dietary guidelines for the substance.
For example, a low-fat food must contain 3 grams or less of fat per serving and a low-calorie food must contain 40 calories or less per serving.
Low-calorie meals, such as frozen dinners, may contain no more than 120 calories.