Black caraway seed oil has been used for hundreds of years for its health benefits. Thymoquinone is the main bioactive component in black seed oil that affects the natural cellular suicide of different species of cancer cells. The cancer cells include breast cancer, brain cancer and leukemia. Thus consuming a balanced amount of black caraway seed oil may help in effective reduction in cancer cells. Moreover applying it on the knee 4-5 weeks may help relieve pain and symptoms of osteoarthritis. Black caraway seed oil has antiviral and antifungal properties against yeast infections that could lead to candidiasis.