. . . "The carotenoids found in spinach-beta carotene, lutein and zeaxanthin-can boost the immune system and also are protective against age-related vision diseases, such as macular degeneration and night blindness, as well as heart disease and certain cancers.LegumesLegumes, such as red beans and split peas, are high in fibre and also contain protein and other nutrients such as calcium, potassium, and m" .