One of the regular used Mustard Seeds is a rich source of essential oils, minerals, and vitamins. These are the small round seeds of various mustard plants. These seeds are used in several kinds of dishes to add a pungent flavor and rich taste. Add delectable flavor to the cuisine, these seeds perceived as health benefiting spice. These seeds are available in white, brown and black varieties. Mustard Seeds are very known to use phytochemicals to inhibit the growth of cancer cells.