The Ornish diet puts no restriction on calorie intake mainly because it’s hard to consume too many calories eating fruits and vegetables you’ll need to limit your calories on the South Beach Diet or a Mediterranean diet (another good
one). A typical unrestricted diet for
the average adult contains about 2,400
calories per day. Aim to keep your calorie intake to between 1,500 and 1,800 calories. The lower end is for women; the higher end is for men. Maintain your ideal body weight.