75 milligrams. Smokers should add another 35 milligrams and pregnant women need 85 milligrams daily. Vitamin C is also needed for the production of collagen, which strengthens skin and helps heal wounds. One cup of chopped purple cabbage has 51 milligrams and the same amount of green cabbage has 37 milligrams.
In addition to delivering oxygen to cells throughout your body, iron is part of a protein — myoglobin — that stores oxygen in your heart and skeletal muscles. Myoglobin ensures you have enough oxygen to meet your muscle’s needs during exercise. Your immune system needs iron for the development of cells that fight viruses. Purple cabbage has double the iron than green cabbage, providing 0.7 milligrams in 1 cup, compared to 0.4 milligrams in green cabbage. Women should get 18 milligrams, but men only need 8 milligrams of iron daily.