Mustard Seed Oil is a pungent oil derived from crushed mustard seed. Used most commonly as a culinary ingredient in Indian cooking, mustard seed oil is the second richest source of omega 3 fats. Mustard seed oil contains 15g of omega 3 fats per 100g serving. Use in salad dressings, stir fries, and marinades.
This is probably not a mainstream product in most U.S. locations but it can easily be found in most Indian grocery stores. You can also purchase mustard seed oil online.
**Note: Make sure to purchase mustard seed oil which has been approved for human consumption. Do not consume oils labeled "for external use only".