Lets compare vitamin content per 1 pound of Romaine Lettuce vs Iceberg Lettuce:
Raw Cos Or Romaine Lettuce have 17.4 times more Vitamin A, 1.8 times more Vitamin B1, 2.7 times more Vitamin B2, 2.5 times more Vitamin B3, 1.6 times more Vitamin B5, 1.8 times more Vitamin B6, 4.7 times more Vitamin B9, 1.4 times more Vitamin C and 4.3 times more Vitamin K than Raw Iceberg Lettuce.
While Raw Iceberg Lettuce contains 1.4 times more Vitamin E than Raw Cos Or Romaine Lettuce.
Both Raw Cos Or Romaine Lettuce as well as Raw Iceberg Lettuce have insufficient amounts of Vitamin B12 and Vitamin D in 1 lb.
Comparing minerals per 1 pound for Romaine Lettuce vs Iceberg Lettuce:
Raw Cos Or Romaine Lettuce have 1.8 times more Calcium, 1.9 times more Copper, 2.4 times more Iron, 2 times more Magnesium, 1.2 times more Manganese, 1.5 times more Phosphorus, 1.8 times more Potassium and 1.5 times more Zinc than Raw Iceberg Lettuce.
Both Raw Cos Or Romaine Lettuce and Raw Iceberg Lettuce have similar amounts of Water per 1 lb.
Both Raw Cos Or Romaine Lettuce as well as Raw Iceberg Lettuce have insufficient amounts of Selenium in 1 lb.
Comparison of macro-nutrients per 1 pound:
Raw Cos Or Romaine Lettuce have 2.2 times more Omega 3, 1.8 times more Fiber and 1.4 times more Protein than Raw Iceberg Lettuce.
While Raw Iceberg Lettuce contains 1.7 times more Sugars than Raw Cos Or Romaine Lettuce.
Both Raw Cos Or Romaine Lettuce and Raw Iceberg Lettuce have similar amounts of Carbohydrate and Fructose per 1 lb.
Both Raw Cos Or Romaine Lettuce as well as Raw Iceberg Lettuce have insufficient amounts of Energy, Fat, Omega 6, Cholesterol, Glucose and Sucrose in 1 lb.