Iceberg lettuce often gets a bad rap for having a lower nutritional value compared to other leafy greens. However, when it comes to texture, there's no denying iceberg lettuce is superior.

While it's got Vitamins A and K, it's lacking a real nutrient punch. Next is the perennial, burger-topping iceberg lettuce. You'll need 33 cups of the stuff to get your daily Vitamin C.