Grey Poupon is known for its distinctive flavor and is primarily made from mustard seeds, vinegar, and spices. The nutritional values can vary by product variation, such as Classic Dijon Mustard or other specialty offerings. Generally, a one-teaspoon serving of Grey Poupon Dijon Mustard contains approximately five calories, with minimal fat, carbohydrates, and sugars. The mustard is typically low in sodium compared to other condiments, but it is important to check the specific packaging for the most accurate nutritional information. Dijon mustard does provide some benefits, as it contains small amounts of vitamins and minerals, along with antioxidants from the mustard seeds. For precise nutritional values specific to the Grey Poupon product you are interested in, visiting the official Grey Poupon website would be helpful, as it often includes detailed product information and ingredient lists.