Usually more pungent than yellow mustard, Organic Brown Mustard seeds are popular in the preparation of marinades, vinaigrettes, stews, sauces, soups, pickles, seafood, poultry, and meats. The brown colour of the seeds indicates the pungency of this wholesome spice. Organic Tattva’s Organic Brown Mustard (rai) is filled with protein, iron, and calcium.