Mustard oil is get prepared by mustard seeds. this is fatty vegetable oil resulting from pressing the seeds, An essential oil resulting from grinding the seeds. There are two types of Mustard seed, Yellow and dark brown, both have a source of Monounsaturated fatty acids (MUFAs).

• Good Source of Monounsaturated fatty acids (MUFAs). "Mustard oil is highly recommended for the reason that it is full of monounsaturated fatty acids.
• It helps to promote heart health. 
• Treats Cracked Heels and Brittle Nails. 
• Protects Against other Infections. 
• It Helps against Blood Circulation.
• It is good for the Skin.
• That helps to get relief from Cough and Cold. 
• That helps to promote hair growth.
• A little dab of mustard oil inside the navel can loosen up the dead skin and dirt, making it easier to remove. Be it menstrual pain or pain due to acidity or indigestion, applying mustard oil could do wonders in alleviating the pain. This will help symptoms from conditions like indigestion, food poisoning, and diarrhea.

Too much of Mustard oil is not safe for use as a cooking oil. Mustard oil may pose a serious risk because it contains high levels of erucic acid. This monounsaturated fatty acid is present in several oils. If mustered oil contains less than is alright but it contains a high level of Erucic acid which is not good for the body.  Mustard oil contains on average 45-47 percent of Euric Acid.

Mustard oil is banned for edible consumption in the EU, USA, and Canada, principally due to its erucic acid content. The USFDA requires all mustard oil to be labeled “For External Use Only” in earlier about 2012.