And what a middle aged male needs from his food for good health and Regardless of age, all men need good nutrition from a healthy diet. A ball-park figure for our energy needs is 8,700 kilojoules per day for an adult.
Nutritional needs differ for men and women, so their dietary guidelines size is the main difference between the needs of males and females.
Moderately active males likely need 2,000 to 2,800 calories per day. Your energy needs depend on your height, weight and activity level.