Black cumin seeds, also known as Nigella sativa, are small, black seeds that come from a flowering plant native to South Asia. They have a slightly bitter, peppery flavor and are often used as a spice in various cuisines, particularly in Middle Eastern and Indian dishes. These seeds are also known for their potential health benefits, as they contain antioxidants and essential fatty acids. Traditionally, black cumin seeds have been used in herbal medicine to support digestion, boost the immune system, and reduce inflammation.