Proteins are the last source of nutrients that is essential to our bodies. It’s the last source of energy, and it has some key functions to play in maintaining our health. For one, proteins help in building and repairing our tissues, and in the synthesis of enzymes and hormones in our bodies. Proteins are also essential building blocks of the skin, hair, nails, bones, muscles, and cartilage. You can find proteins in meat, fish, eggs, dairy products, nuts, and beans and legumes.
