Black Seed was commonly used for a variety of respiratoryRespiratory: C-FU, Comfrey Fenugreek, NVS, Black Seed, Slippery Elm, Red Clover, Nettle Mullein, Lobelia, Garlic, Irish Moss, Hyssop  ailments. It was also used to reduce inflammation, for digestive disturbances and constipation, to improve kidney function. The seed was also taken to improve milk production in nursing mothers, to detoxify and strengthen the liver.