FAMILY-OWNED, TEXAS-BASED. Founded by Mr. and Mrs. George Renfro in 1940 in Fort Worth, Texas, and still run by the Renfro grandkids in the same town. LOW-CALORIE SNACK. Each serving has only 15 calories, at an excellent value with about 14 servings in each 16-ounce jar. NO GLUTEN, NO HFCS. This salsa is gluten-free, and contains NO high-fructose corn syrup. FLAVOR. Packed with tons of smoky sweet flavor in addition to the extreme heat. FIRE. Extremely hot salsa made from Carolina Reaper, certified as the worlds hottest pepper by the Guinness Book of World Records in in 2013 and again in 2018.