A good example of ingredient co-branding is represented by the Dell computers that use Intel processors with Intel being the ingredient brand. In these cases, the ingredient brand is a subordinate to the main brand in the structure of the partnership.
Brand alliances are an attractive possibility because they offer opportunities for quick growth and development, but at the same time there is also a downside: they can become more detrimental if the partnership is not the result of an informed decision.
In order to have a successful partnership you should study the market, your future ally and your public thoroughly before making a decision.