Next is the perennial, burger-topping iceberg lettuce ... to help wounds heal. Leaf lettuce is one the most nutritious in our lettuce family. Low in calories — high in vitamins A and K!

Nutritional Value Lettuce ... Smoothies: Some types of lettuce, like romaine, can be blended into smoothies for added nutrients. Types of Lettuce Iceberg Lettuce: Known for its crisp texture ...

The answer, like so much of nutrition, needs nuance. Here's what RDs want you to know about iceberg lettuce nutrition facts ...