Leeks contain important amounts of the flavonoid kaempferol helps to protect our blood vessel linings from damage.
These are an excellent source of vitamin K. They are very good source of manganese, vitamin B6, copper, iron, folate and vitamin C.
Leeks are relatively low in protein. Including the shaft and lower leaves, provides just about 1 gm of protein.
It protects your skin against damage by free radicals and harmful ultraviolet rays of the sun.
Leeks are rich in vitamin B9, as folic acid. Folates form an important part of the diet of pregnant women.