Weeds grown in the fields are particularly rich in Vitamin C, flavonoids, polyphenols, Ω3 fatty acids and alpha-linolenic acid, all of which contribute significantly to the body’s antioxidant capacity. They also contain large amounts of fiber that contribute to digestion and normal bowel function, contain no fats and have low calories. Iron, calcium, minerals and many other valuable substances are found in hundreds of species of edible flora.