Mustard is used in cooking for many years. It is used as a spice as well as mustard oil. It is a beneficial herb. The mustard plant grows mostly in temperate regions. Mustard seeds both white and yellow are of same size, globular, odorless and pungent in taste. Both seeds contain almost same constituents about 30% to 40% vegetable oil, a trace amount of proteins and an active enzyme Myrosin. Mustard is used in 3 forms, as seeds, as mustard oil, and as a paste. The mustard seed contains no cholesterol, has only small amount of vegetable fat, and about 25% of protein. Every part of the mustard plant is beneficial for health issues. The mustard leaf contains calcium, phosphorus, magnesium and vitamin B. It is a good source of vitamin A, magnesium and dietary fiber. Due to the presence of various minerals and nutrients mustard has multiple health benefits. It provides you relief from muscular pain, psoriasis, ringworm, contact dermatitis, and respiratory disorders.