Simple nutrients are those that are easily digested and absorbed by the body. They are typically composed of a single chemical element or molecule and do not require complex chemical processes to break them down. Simple nutrients include:

* Carbohydrates: These are the body's main source of energy and are found in foods such as bread, pasta, rice, potatoes, fruits, and vegetables.

* Proteins: These are the building blocks of cells and tissues and are found in foods such as meat, poultry, fish, eggs, dairy products, and legumes.

* Fats: These are a source of energy and help to absorb vitamins and minerals. They are found in foods such as butter, margarine, oil, nuts, and seeds.

* Vitamins: These are organic compounds that are essential for the body to function properly. They are found in a variety of foods, including fruits, vegetables, and fortified foods.

* Minerals: These are inorganic elements that are essential for the body to function properly. They are found in a variety of foods, including meat, poultry, fish, dairy products, and vegetables.

Simple nutrients are important for maintaining good health and providing the body with the energy it needs to function properly.