Now the food industry is doing the exact same thing…they’re adding caffeine to your coffee or your soft drinks, and that way they’re making their product more addictive to us You probably know that soft drinks such as Coca Cola and Dr Pepper have caffeine in them. Now originally cola drinks were made with the kola nut which naturally has a little bit of caffeine in them. Right now the cola drinks only have about 5% of their caffeine from the kola nut.