How much protein should a middle aged man eat per day?

The recommended amount of protein is found using the guideline of 0.8 grams of protein per kilo of body weight. On average - Adult men need about 55 grams a day. Adult women need about 46 grams a day.

You can also figure your protein requirement based on the percentage of calories. The protein should make up 10% and no more than 35% of the total calories you consume.

See also: a healthy diet to be fit.