Mustard is a popular condiment made from the seeds of the mustard plant. Mustard contains antioxidants and other beneficial plant compounds thought to help protect your body against damage and disease. Mustard is rich in glucosinolates and powerful antioxidants, both of which promote health and may protect against various diseases. Mustard may protect against bacteria, fungi, and cancerous cells, as well as reduce inflammation and blood sugar levels. Mustard seeds are packed with compounds like glucosinolates and myrosinase, which prevent the growth of cancer-causing cells in the body. Mustard seeds are also good for your bones as they are packed with a mineral called selenium, which makes your bones stronger. They also help to strengthen your nails, hair, and teeth. The seeds are packed with vitamins A, K, and C, which can help to reduce the signs of ageing in a person.