Which nutrient is essential for wound healing and immune function?

Proteins are essential for wound healing and immune function due to their critical roles in the body's repair processes and immune response. Proteins are made up of amino acids, which are the building blocks necessary for the creation of new tissues, including skin, muscle, and other vital cellular structures involved in healing. When the body experiences an injury, a higher demand for proteins arises as they help form collagen, a protein that is essential for tissue structure and integrity.

Additionally, proteins are vital for producing antibodies and immune cells that help in the body’s defense against infections. A strong immune system is important during the healing process, as it prevents complications and promotes recovery from wounds. Without adequate protein intake, the body may struggle to recover from injuries or infections effectively.

In contrast, while carbohydrates, fats, and sugars provide energy, they do not have the same direct role in tissue repair or in supporting immune functions as proteins do. Therefore, focusing on ensuring sufficient protein intake is vital for anyone recovering from surgery or injury.