Black mustard seeds have the strongest flavour. These are indeed extremely rich in phytonutrients, minerals, vitamins and anti-oxidants. They are mainly used for culinary purposes.
Black Mustard Seeds Small
How to Use
Black mustard seeds are a common ingredient in Indian cooking. They are often kept whole and fried (or toasted) before adding to a dish or including in a stir-fry along with other aromatic ingredients.