How Many Calories Should You Eat Per Day? Top 20 Foods High In Calories & Top 20 Foods Low In Calories

Iceberg lettuce

Iceberg lettuce is another low-calorie vegetable and has high water content. Iceberg lettuce is commonly a part of salads, sandwiches, or burgers. One cup of iceberg lettuce provides only 10 kcals. Even though lettuce is known for weight loss but it is also rich in vitamin A, vitamin K, and folate as well.