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.
Why eat gelatin. 1  Gelatin is a fast and furious source of protein. It contains 18 amino acids, many of which are âessentialâ, meaning they must be acquired as part of our diet. PLUS: Gelatin balances out your meat intake. Muscle meats contain elevated levels of certain amino acids, which can be inflammatory over time.