The calorie count of Grey Poupon Dijon Mustard varies slightly depending on the specific product variant. Generally, a one-teaspoon serving of Grey Poupon Dijon Mustard contains approximately five calories. This low-calorie count makes Grey Poupon a popular choice for individuals seeking to enhance the flavor of their dishes without significantly increasing calorie intake. Additionally, Grey Poupon does not contain fats or sugars, which adds to its appeal as a condiment. If someone is looking for more detailed nutritional information, including the full ingredient list, they may find it helpful to visit the official Grey Poupon website or check the product packaging. It is always a good idea to refer to the nutrition label for accurate details specific to the variant being used.