Nigella sativa, commonly known as black seed or kalonji, is an annual flowering plant native to parts of Asia and Africa, known for its historical significance and numerous uses in medicine, cuisine, and cosmetics. The seeds possess distinct medicinal properties attributed to compounds like thymoquinone, showing efficacy against various ailments including diabetes, asthma, and cancer. Black seed has been widely recognized for its immunity-boosting capabilities and is considered a cure for many diseases, as noted in historical texts and modern research.