THE NUTRITIONAL VALUE IN LETTUCE IS IMPORTANT
There are a lot more benefits to romaine - Answer: One cup of iceberg lettuce: 8 calories 0.5 gram protein 0.7 gram fiber 10 mg calcium 78 mg potassium 1.5 mg vitamin C 16 mcg folate 13.3 mcg of vitamin K 164 mcg beta carotene 152 mcg of lutein + zeaxanthin One cup of romaine lettuce has: 8 calories... Sign in to see full entry.