Mustard seeds (Brassica juncea) are very rich in nutrients like minerals such as copper, calcium, iron, magnesium, phosphorus, potassium, sodium, zinc, manganese, and selenium. They are also a good source of several vitamins, including vitamins C and K, thiamin, riboflavin, vitamin B6, and folic acid. They have a high content of dietary fiber and are a valuable source of several bioactive compounds such as antioxidants and polyunsaturated fatty acids.