"caloric content" is correct and usable in written English.
You can use it to refer to the amount of calories that a food contains. For example: "The caloric content of this meal is incredibly high, so I should watch how much I eat."
Many people choose white meat over dark because of its lower caloric content.
One clever suggestion is to require that labels on alcoholic beverages announce the caloric content prominently.
"The caloric content of sports drinks is 10 to 70 calories per serving, and the caloric content of energy drinks ranges from 10 to 270 calories per serving.
Beyoncé's feed is the rice cake of celebrity social-media feeds: low in caloric content but mystifyingly satisfying.
Will seeing the increased caloric content of these new, larger servings dissuade the average consumer from eating too much?
The drying process removes water, which concentrates sugar and raises the caloric content by weight.
And school lunches have been revamped to meet new federal guidelines for nutrient and caloric content.
Menu labeling would make it hard for diners to avoid what health advocates have long regarded as the perilous caloric content of some of America's favorite foods.
McDonald's already provides the caloric content for every menu item on its Web site, in restaurant brochures and on the underside of tray liners.
Three or four meals of equal caloric content are spaced throughout the day, especially when supplemental insulin is needed.
Restaurants are also slowly making their offerings healthier, perhaps motivated by the increased visibility menu labeling gives to the caloric content of their food.
