i'm aware nutrition needs are every bit as personal as chamois creme, but does a hierarchy exist for minerals that are lost during a race? for those IM vets, which seem the first to go and which have the most detrimental effect... sodium? potassium? other electrolytes?
if you do use supplements to train/race, what (type, brand) do you use and why?
if you do use supplements to train/race, what (type, brand) do you use and why?