As a health and fitness expert, I can tell you that while it's possible to lose weight quickly, losing 5 pounds in a week is not typically recommended for sustainable or healthy weight loss. Weight loss of 1 to 2 pounds per week is generally considered a safe and achievable goal for most people.

When attempting to lose weight, it's important to consider a balanced approach that includes a combination of a calorie-controlled diet, regular physical activity, and lifestyle changes that can be maintained over time. Rapid weight loss can lead to muscle loss, nutritional deficiencies, and other health problems.

If you're looking to lose weight, it's always best to consult with a healthcare professional or a registered dietitian who can provide personalized advice based on your individual needs and health status.

read more >>

Specifically, it takes a deficit of 3,500 calories to lose 1 pound of weight. To lose 5 pounds in one week, therefore, you'd need to cut or burn 17,500 calories, or create a 2,500-calorie deficit per day. ... That would leave 300 to 400 calories left over for her to eat, which isn't safe or doable.read more >>