nutritiondata not as nutrient-dense 96 percent 96 percent iceberg lettuce iceberg iceberg lettuce America's favorite lettuce Per 100 grams: Per 100 grams: 96 percent iceberg lettuce iceberg lettuce America's favorite lettuce iceberg lettuce 96 percent Lettuce iceberg lettuce iceberg lettuce whole salad's worth iceberg not as nutrient-dense 1 cup iceberg lettuce iceberg lettuce iceberg lettuce whole salad's worth America's favorite lettuce