Iceberg

Lettuce is a nutritious powerhouse, filled with vitamins A and C, calcium, potassium, copper, and magnesium. Given the fact that it has a mild taste, lettuce can be very filling. Lettuce leaves are a decent source of protein. It contains all the nine essential amino acids, as well as a high level of omega-3 fatty acids, making them essential for vegetarians. Lettuce also assists in the preservation of healthy skin.