Is Iceberg lettuce nutritious?
Is Iceberg lettuce nutritious?
user
Yes, the nutritional value of Iceberg lettuce is excellent.  The protein, calcium, and phosphorus content are particularly good.
assistant
Is it better than broccoli, in terms of nutritions?
user
Unfortunately, the nutrient content of Iceberg lettuce does not quite compare to that of broccoli.  Iceberg lettuce is a good source of phosphorus, but lacks significant amounts of calcium.
assistant
What vitamins are in lettuce?
user
Lettuce contains vitamin A, vitamin B1, vitamin B2, vitamin B6, vitamin B9, and vitamin C.  All of these are essential to human health.
assistant
I do not know if your facts were 100% correct because the other response has listed different vitamins.
user