Romaine has a high water content but is still the most nutrient-dense lettuce there is.
It contains vitamins C, B1, B2, K and A, folate, magnesium, calcium, molybdenum, phosphorus, potassium, silica, and chlorophyll, the green pigment of plants and oxygen carrier, that has great benefits for immune support and detox/cleansing, and can stimulate haemoglobin and red blood cell production.