5 calories per 1 tsp. See nutrition information for sodium content. No 1. Grade mustard seeds. Estd. 1869. 100% natural. A common condiment done uncommonly well. This bold and flavorful mustard is made with 100% natural ingredients including stone-ground mustard seeds and a secret blend of spices and vinegar. It's the perfect balance of spice and tang to add some kick to any meal try it today on deli sandwiches, hot dogs and sausages. heinz.com. Questions? Comments? Call 1-800-255-5750. Heinz Spicy Brown Mustard offers the trusted, flavorful taste of classic Heinz Mustard with the perfect amount of spiciness that complements a wide range of foods. Try this deli mustard on a burger, hot dog or sub sandwich. Made with great ingredients including stone-ground mustard seeds and a secret blend of spices and vinegar, this delicious grain mustard delivers a bold, spicy taste. This delicious brown mustard will elevate any dish you add it to, and the 14 ounce upside-down squeeze bottle is easy to use. Whatever the occasion, Heinz Spicy Brown Mustard is something the whole family will love.