Spinach

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Spinach
Spinach is naturally packed with iron. To absorb the greatest iron concentration, eat your spinach with added vitamin C. Try dressing the raw greens with vitamin C-rich toppings, like mandarin oranges or bell peppers, and finish it off with a citrus-based vinaigrette. For a tasty alternative, try cooking the spinach to release the naturally occurring disease-fighting antioxidants.