Mustard oil is rich in monounsaturated and polyunsaturated fats (MUFA and PUFA respectively) as well as omega-3 and omega-6 fatty acids. These acids balance the cholesterol levels by increasing good cholesterol or HDL and decreasing bad cholesterol or LDL, thus minimizing the risk of cardiovascular diseases. Hence, it can be a good substitute for saturated oils like butter, cheese etc.