Yes
Pepsi does have a caffeine free soda, but it's hard to find.
Most diet sodas and ones that say Caffeine Free
Caffeine is a stimulant of the nervous system. This is its function in soft drinks, same as in coffee and tea.
it depends on the soda...you have to read the ingredients. Ingrediants higher on the list means there is more of them, and lower on the list says there is less of them. So if the ingredients say...