High in iron, potassium and vitamin C. They are very tasty - a cross between almond and asparagus.
Three ounces of fiddleheads supplies 71% of the recommended daily dietary allowance of vitamin A, 46% of vitamin C, 25% of Niacin and 13% of Riboflavin, as well as at least 10% of magnesium, phosphorus and iron plus other nutrients and trace elements.
Low in sodium yet high in potassium, Fiddleheads are a good source of fibre and appropriate for low salt diets.