Free Contains too few calories and too little fat, saturated fat, cholesterol, sodium, or sugar to have any effect on your diet. Low Contains a small amount of calories, fat, saturated fat, cholesterol, sodium, or sugar. Example: 40 or fewer calories per serving. Reduced Has at least 25% fewer calories and 25% less fat, saturated fat, cholesterol, sodium, or sugar than does the standard version of the same food. Light Has 33% fewer calories or 50 percent less fat than does the standard version; also appears on foods that have 50% less sodium and are “low-calorie” or “low-fat.” High Contains at least 20% of the daily value (DV) for protein, vitamins, minerals, fiber, or potassium. Synonyms: “rich in,” “excellent source of.” Good source of Contains 10 to 19 percent of the DV for protein, vitamins, minerals, fiber, or potassium. Synonyms: “contains,” “provides.” More Has 10% or more of the DV for protein, vitamins, minerals, fiber, or potassium. Synonyms: “added,” “extra,” “plus.” More from Prevention: The Healthiest Packaged Food For Women