Not at "natural" quantities of "dissolved". Tea and coffee only have so much naturally. Sodas mostly stick to about those averages. Obviously "energy drinks" ar

Not at "natural" quantities of "dissolved". Tea and coffee only have so much naturally. Sodas mostly stick to about those averages. Obviously "energy drinks" are a wild west sometimes, and drinker beware, but in the context of "safe doses", it is very hard to overdose on tea and coffee (and chocolate and most sodas).