Tractor-trailer and 18-wheeler both refer to the combination of a semi-truck and semi-trailer. Together, they form a tractor-trailer unit, also referred to as an 18-wheeler, owing to the number of wheels present on the unit as a whole.
Quick Answer. Many different types of foods contain gelatin, including peanuts, marshmallows, Jell-O, yogurt, gummy candies and some sour cream brands, among other foods. The best way to determine if a food contains gelatin is to read the product's label. Continue Reading.
Check the ingredient label for gelatin. Photo Credit Thinkstock Images/Comstock/Getty Images. A common ingredient in foods such as marshmallows, yogurt and gummy candy, gelatin is also used to make hard and soft capsules for dietary supplements. Gelatin is highly digestible, according to the Gelatin Manufacturers Institute of America, and can be used to form a protective coating for medicine or supplements. Nature Made does use gelatin in some of its products.