The term COLA INGREDIENT can be solved by the crossword solutions CARAMEL (7 letters) and CAFFEINE (8 letters). CARAMEL is a type of confectionery made from sugar, butter, and milk that is often used as a flavoring or coloring agent in food and drinks. Caffeine is a stimulant found in coffee, tea, and other beverages that is known to increase alertness and energy. Both CARAMEL and caffeine are commonly used ingredients in cola drinks.