Kalonji seeds are reported to be beneficial for the respiratory system. They are normally used whole, mainly in breads. The seeds taste pleasantly bitter and slightly pungent.
Black cumin and it is oil have been used to purge parasites and worms, detoxify, ameliorate amoebic dysentery, shigellosis, abscesses, old tumors, ulcers of the mouth and rhinitis. Recent research confirms these uses for humans, dogs, cats and horses.