How many calories per day does the average person need for normal function?

The average person typically requires between 1200 to 1500 calories per day for normal bodily functions. This range supports the basic metabolic needs of the body, which includes the energy required for vital processes such as breathing, circulation, cellular production, and digestion.

This caloric range is particularly relevant for individuals who are sedentary or lead a lifestyle with minimal physical activity. It reflects a baseline level needed to maintain energy balance and overall health without engaging in weight loss or gain.

Other options fall either below or above the needs of an average person. For instance, a caloric intake of 1000 to 1200 may not suffice for many individuals, especially those with higher activity levels or larger body sizes, risking inadequate nutrition. Conversely, intake levels above 1500 could be more suitable for those who are more active or have higher metabolic demands, thus placing those options outside of what is typically necessary for a sedentary individual.