Lettuce is a leafy vegetable, famous for giving salads their base. There are multiple types of lettuce, and they all share the scientific name Lactuca sativa. The health benefits of lettuce come primarily from its vitamin content. Health benefits vary depending on the type of lettuce a person eats. Lettuce is a source of vitamin K, which helps strengthen bones.
Consuming adequate amounts of vitamin K can also reduce your risk of bone fracture. Lettuce is a source of vitamin A, which plays a role in eye health. Vitamin A can reduce a person’s risk of cataracts. Vitamin A also helps prevent macular degeneration.