Its a calorie

It varies per person. Some other factors would be if there are choosing the meal, or if it a recovery-meal (meant to make them gain weight in a recovery clinic or treatment center). If they choose, it would probably be low-calorie, low-fat, include no-calorie or very low-calorie drinks, and often includeds less meats and dairy, some grains, and / or a lot of fruits and veggies.

A nutritional Calorie is 1000 times a chemical calorie.

The difference between a calorie and a Calorie is calorie is a smaller unit than Calorie and it takes 1000 calorie's to make a Calorie. The Calorie (kilocalorie, kcal) is 1000 calories - a more useful unit and widely used.

a scientific name for a calorie is a kilo calorie