Dark seeds are otherwise called dark caraway, dark cumin, kalonji, and dark onion seeds. They originate from Nigella sativa, a little plant with pale purple, blue, or white blooms that develop in Eastern Europe, Western Asia, and the Middle East. Black seed may likewise improve levels of cholesterol in individuals with diabetes. Dosages of 2 grams day by day appear to be required for any advantage in Hypertension. Research shows that taking black seed by mouth may reduce blood pressure or you just barely have.