[Medical Advisor journals] [The world healthy foods List] [The world healthy food recipes] Collard Green Collard Green is Aspecies of Brassica Oleracea, belongs to the family Brassicaceae with unknown origin. Today, the plant is cultivated commercially for its its thick, slightly bitter edible leaves. Nutritional Supplements 1. Carbohydrates 2. Omega 3 Fatty Acid 3. Protein …