The U.S. adult should typically consume around. 34–56 g per day for the average male. 34–46 g per day for the average female. Still, given that there’s no evidence of harm and significant The increased caloric need for women who are breastfeeding is about 450 to 500 calories per day. 3 Women who are not trying to lose weight following pregnancy should supplement the above DGA calories per day by 450 to 500 calories. Often an increase in a normally balanced and varied diet is enough to meet your body's needs. 7y8yh.