Although there are no medically reliable sources that recommend a specific 15-day diet plan, following a diet that reduces calorie intake by 3,500 calories per week, or 500 calories per day, can be effective for losing approximately 1 pound of body weight per week, according to WebMD. Fad diets often target rapid weight loss with excessive caloric restriction. They can leave people feeling deprived, which leads to overeating and regaining the lost weight.
Making lifestyle changes is a healthy approach to weight loss, including eating breakfast every day, states WebMD. Skipping breakfast leads to eating more often and consuming more calories throughout the day. Studies show a correlation in people who don't eat breakfast and a higher body mass index than breakfast eaters. Additionally, eating small, frequent meals throughout the day helps dieters stabilize blood sugar levels. Small portions of lean protein such as low-fat yogurt, eggs, beans, lean meat or peanut butter help with satiety.
Emphasizing fresh vegetables, fruit and whole grains helps dieters create a healthy eating plan to lose weight gradually, states WebMD. Eating fresh produce is a healthy way to consume low-calorie foods in larger volume, replacing calorie-dense processed carbohydrates and fats. Whole grains such as whole-wheat bread, brown rice and bran provide fiber which helps people feel full faster.
Many people consume excessive calories through sugary and alcoholic beverages, notes WebMD. Dieters should strive to stay hydrated with plenty of water, low-fat or skim milk, and small portions of pure fruit or vegetable juice.