What it is Co enzyme Q10? Most people think of this as the newest form of vitamin or supplement. But it is far from just that. Aside from being used in Co Enzyme Q10 capsules, it is also naturally generated by each of our cells in our bodies. It is a natural compound that is ingested from the food we eat in our daily diets. It is found in most of the common foods that we eat, most especially on certain types of foods high in protein.