Mustard oil is used for frying various culinary dishes and is used as one of the main vegetable oil. Cold pressed mustard oil is a good source of monounsaturated fatty acids which promotes heart health. It has various medicinal properties to cure cracked heels and brittle nails, it improves blood circulation, cure skin diseases, cough and cold etc. Mustard oil speed up the metabolism, stimulates and aids digestion, inhibits cancer cell growth etc.