spinach, bananas, raisins, potatoes

Photo collage by Cam Howard / Source files: Bananas by paul kempin; Raisins by Ernesto Salazar; Spinach: by Andreas Andersson; Potatoes by Wong Mei Teng; all from freeimages.com

Spinach is a good source of magnesium. Bananas, raisins, and potatoes are good sources of potassium. Both nutrients are important for a heart-healthy diet.