Virdhara International is manufacturer, exporter, supplier, producer of Black Mustard Seeds is also known as Brown Mustard Seeds.Virdhara International manufactures and exports Black/Brown Mustard Seeds as per US FDA and ASTA quality standards.  Black mustard is sharp and fiery in flavour. Black Mustard (Brassica nigra) is a round hard seed, its color varies from brown to black. Black Mustard Seeds are smaller and more pungent in taste compared to white.