Ideally, health experts recommend that you aim for a loss of 1 to 2 pounds a week (7 days). Aiming to lose 2 pounds in a day is extreme and potentially dangerous; it is neither recommended nor guaranteed as an outcome. However, there are unusual times when a person considers this necessary, such as before a weigh-in for sports, so there are plans for achieving this in existence for those rare, one-off occasions. For details on this topic, see How to Lose 2 Pounds in One Day.
Add a cup of low-fat milk, a part-skim mozzarella stick, or a half cup of low-sodium cottage cheese to breakfast, and you may have a belly-busting win. While lots of research links calcium with lower body weights, results from a 2014 study suggest that calcium-containing foods may reduce waist circumference in those genetically predisposed to carrying weight in their midsection.