lettuce is far more beneficial to our health in comparison to iceberg lettuce. Lettuce is very low in calories but is an excellent source of Vitamin A and betacarotenes which have anti-oxidant properties. It also contains good amounts of Vitamin K, folates and Vitamin C that are beneficial for our body. The minerals present in lettuce are calcium, iron, magnesium, phosphorus, potassium, sodium and zinc. It also contains essential vitamins like thiamin, riboflavin, niacin, vitamin B-6 and Vitamin E.