Different types of protein can be included in meals. Protein is found in many body cells. They are necessary for enzymatic activity, immunity, cell signaling, muscle work, and other processes like oxygen transport from the lungs to the cells.
A variety of protein sources can be included in meals, such as unprocessed poultry and meat, fish, dairy, pulse/beans, nuts, seeds, etc.
By incorporating different protein sources, meals can offer a range of options while minimizing the intake of unwanted substances.