Get a FREE Rio Seasoning Sample! Is it a rub? Yes. It works very well on all meats as a rub. Is it a seasoned salt? Most definitely. It can be used as a seasoned salt with excellent results. The point is, “Rio” is an extremely versatile seasoning. If you really like to cook and like tasty food, you should try it. It is likely that the more you use it, the more you will discover new uses for it.