Sun dried tomatoes are ripe tomatoes that lose most of their water content after drying in the sun. This food is low in Saturated Fat, and very low in Cholesterol. It is also a good source of Dietary Fiber, Thiamin, Riboflavin, Niacin, Iron, Magnesium and Phosphorus, and a very good source of Vitamin C & K, Potassium, Copper and Magnesium. It helps fight certain cancers and boosts immunity.