Foodstuff refers to any type of edible substance that is consumed to provide nourishment and sustenance to living organisms. This category encompasses a vast array of items, including fruits, vegetables, grains, meats, dairy products, seafood, legumes, nuts, seeds, herbs, spices, and processed foods. Foodstuff serves as the primary source of energy and essential nutrients required for the growth, development, and maintenance of the human body. It provides carbohydrates, proteins, fats, vitamins, minerals, and water necessary for various physiological functions.