Black cumin is an annual herbaceous plant in the family Ranunculaceae, native to southeastern Europe and western Asia. Black Zeera is an annual herbaceous plant in the family Apiaceae, native to southeastern Europe and western Asia. Black cumin is used as a spice and as a medicinal herb. The seeds of black cumin are used in traditional medicine as a remedy for various disorders.

Black cumin is a strong antioxidant and has anti-inflammatory, anti-bacterial, and anti-fungal properties. The seeds of black cumin contain thymoquinone, which is known to have medicinal properties. Black cumin seed oil is used in traditional medicine as a remedy for various disorders.