Dill is a great source of vitamins A and C and a good source of manganese, iron and folate. The herb also contains calcium, riboflavin, niacin and potassium and trace amounts of vitamin B6, dietary fiber, magnesium, phosphorus, zinc and copper. Its medicinal properties are due to the presence of monoterpene compounds, flavonoids, volatile oils and amino acids. Dill has also demonstrated anti-bacterial properties.