What is a Very Low-Calorie Diet (VLCD)?
VLCDs are generally safe when used under proper medical supervision in patients with a body mass index (BMI) greater than 30. BMI is a mathematical formula that takes into account both a person’s height and weight. To calculate BMI, a person’s weight in kilograms is divided by height in meters squared. Use of VLCDs in patients with a BMI of 27 to 30 should be reserved for those who have medical complications resulting from their obesity. VLCDs are not recommended for pregnant women or breastfeeding women. VLCDs are not appropriate for children or adolescents, except in specialized treatment programs. Very little information exists regarding the usage of VLCDs in older individuals. Because individuals over 50 already experience normal depletion of lean body mass, use of a VLCD may not be warranted. Additionally, persons over 50 may not tolerate the side effects associated with VLCDs because of preexisting medical conditions or need for other medications. Therefore, a physician, on a cas