Dietary components refer to the various nutrients, vitamins and minerals that are present in foods. These substances play a crucial role in maintaining good health by providing essential nutrition for our bodies to function properly. Dietary components include macronutrients such as carbohydrates, proteins, and fats which provide energy for the body; micronutrients like vitamins and minerals that help regulate various bodily processes; and phytonutrients or plant chemicals that have health-promoting properties. Understanding dietary components is important in maintaining a balanced, nutritious diet to support overall wellbeing.