Nigella Sativa Extract 10% Thymoquinone is a standardized herbal concentrate derived from the seeds of Nigella sativa (commonly known as black cumin or black seed). This extract is standardized to contain 10% thymoquinone, the most bioactive and well-researched active compound in the plant. Known for its potent antioxidant, anti-inflammatory, and immune-supporting properties, this extract is widely used in dietary supplements and functional foods to promote overall health and wellness.