The recommended daily calorie limit for men ages 19 and above is between 2,000 and 3,000 calories depending on age and activity level, according to WebMD. The absolute minimum daily amount needed by a man is 1,500 calories, explains About.com.
About.com recommends that those who exercise should not consume fewer than 1,000 lower than the amount of calories burned. To lose weight, WebMD suggests reducing 500 calories from the daily recommended intake; for weight gain, 500 calories should be added to the daily recommended intake. A moderately active man between the ages of 31 to 50 is recommended to eat between 2,400 and 2,600 calories per day.