The body absorbs only a limited amount of iron from foods and supplements. We absorb a higher percentage of heme iron, found in meat proteins, than we do.
Low in calories and high in vitamins, spinach is one of the most nutrient-dense foods in existence. One cup of the leafy green vegetable contains far more.
If you have a history of calcium oxalate kidney stones or kidney disease, you may need to limit oxalate consumption. Plants naturally contain oxalic acid,.