Peanuts provide protein, vitamins, minerals, and antioxidants. They may have other health benefits, including promoting fullness and helping protect against heart disease.Protein, fats, and fiber are the major components that make up peanuts . All these components are present in their most beneficial forms. The protein is plant-based: the fat is unsaturated, and the fiber is complex carbohydrate which are all proved to be the best for human nutrition.