It's not just the carbs in the DC it's the damn man made sweeteners, caramel coloring and crap that are the worst for the human body and God only knows whats in the rest of their secret formula. They hide all kinds of crap in that natural flavors column and aspartame has always been questionable at best. They claim it's ok but it is man made.
INGREDIENTS
CARBONATED WATER, CARAMEL COLOR, ASPARTAME, PHOSPHORIC ACID, POTASSIUM BENZOATE (TO PROTECT TASTE), NATURAL FLAVORS, CITRIC ACID, CAFFEINE.