Here's what RDs want you to know about iceberg lettuce nutrition facts and fiction. Related: 7 High-Fiber, Healthy Noodles ...

The iceberg and romaine lettuce blend was served at catering events, restaurants and a school, sickening 69 people in 10 ...

including iceberg, romaine, butterhead, and leaf lettuce. With high nutrition and low calories, lettuce is a popular choice for salads and sandwiches. It is a healthy source of vitamins A and K ...

However, iceberg lettuce still has this crucial nutrient. "Vitamin K is a key vitamin in helping with clotting blood, heart and bone health," Logan says.