To lose weight, most people need to reduce the number of calories they get from food and beverages (energy IN) and increase their physical activity (energy OUT).
For a weight loss of 1–1 ½ pounds per week, daily intake should be reduced by 500 to 750 calories. In general:
Eating plans that contain 1,200–1,500 calories each day will help most women lose weight safely.
Eating plans that contain 1,500–1,800 calories each day are suitable for men and for women who weigh more or who exercise regularly.