What type of agents are Vitamins A, B, E, C, and Minerals such as Calcium and Iron categorized as?

Vitamins such as A, B, E, and C, as well as minerals like Calcium and Iron, are categorized as nutritional agents because they play vital roles in maintaining health and supporting bodily functions. These substances are necessary for various processes in the body, including growth, development, immune function, and overall well-being. They help in metabolic reactions, promote cellular health, and are essential in performing specific biochemical functions.

Nutritional agents are typically associated with the intake of foods and supplements that enhance nutritional status, which is crucial for preventing deficiencies and ensuring proper physiological functioning. All of these vitamins and minerals contribute to the maintenance of health and the prevention of diseases related to nutrition deficiencies. This classification highlights their importance not only in dietary contexts but also in therapeutic and preventive healthcare settings.