Sometimes referred to as headless lettuce, this cruciferous vegetable is one of nature’s superfoods. A half cup of cooked greens has only 35 calories but is rich in folate, calcium, dietary fiber, and vitamins E, A, K, and C. Because of their many nutrients, collard greens have been associated with cancer prevention, anti-inflammation, heart health, and digestive support.
Collard greens are very similar to kale only differing in their leaf structure. Collard leaves are much broader, are not frilled, and resemble those of head cabbage.Collard greens are lower in calories and high in fiber and protein, while kale contains more iron.
Collard greens production dates back to prehistoric times, and today it is still produced in the US at about 1.1 pounds per capita every year.