Black seed oil is touted as a remedy for conditions such as allergies, asthma, diabetes, headaches, high blood pressure, digestive disorders, and rheumatoid arthritis.
In addition, black seed oil is said to boost the immune system
, reduce inflammation
, and fight infections. The oil is used topically for skin and hair concerns, such as acne, dry hair, psoriasis, hair growth, and dry skin.
The slightly bitter seeds are used as a flavoring or spice in Middle Eastern and Indian cuisine and are sometimes sprinkled on flatbread, naan bread, or bagels.