nigella benefits Black seed (Nigella sativa) is a flowering plant native to Asia and the Mediterranean. Its seed has been used to make medicine for thousands of years. Black seed might have effects in the body that help boost the immune system, fight cancer, prevent pregnancy, reduce swelling, and lessen allergic reactions by acting as an antihistamine. People commonly use black seed for asthma, hay fever, diabetes, high blood pressure, eczema, weight loss, menstrual cramps, and many other conditions, but there is no good scientific evidence to support many of these uses. There is also no good evidence to support using black seed for COVID-19. Black seed might have effects in the body that help boost the immune system, fight cancer, prevent pregnancy, reduce swelling, and lessen allergic reactions by acting as an antihistamine. People commonly use black seed for asthma, hay fever, diabetes, high blood pressure, eczema, weight loss, menstrual cramps, and many other conditions, but there is no good scientific evidence to support many of these uses. There is also no good evidence to support using black seed for COVID-19. Black Seed (Nigella Sativa) is a traditional herb that has been used for centuries to promote health and general well-being. Also known as Black Cumin, Black Caraway, or the "Blessed Seed", Black Seed has a rich and diverse chemical composition containing the phytochemicals thymoquinone and crystalline nigellone, antioxidants, amino acids, proteins, carbohydrates, essential fatty acids, and minerals like calcium, iron, and potassium. Since 1959, over 500 peer-reviewed studies at international universities and untold journal articles have been published on this multi-faceted herb, and many of Black Seed's components are still being discovered and researched. Millions of people in Asia, the Middle East, Eastern Europe, and Africa have used Black Seed for thousands of years to support the body with a variety of concerns like respiratory health, stomach and intestinal complaints, circulatory and immune system support, and skin conditions. Black Seed may support metabolism and improve digestion, and published studies have shown that it may have a healthy effect on blood sugar levels.