Still, every Coke is different. To find out the exact caffeine content of your soda, check the can, as most brands display ...

But labels don't have to reveal how much caffeine the products pack ... (Our shoppers usually found energy drinks near soda and juice, sometimes at checkout, and less often near alcoholic beverages.

One 8.3-ounce (0.25-liter) can has two to three times the amount of caffeine as a 12-ounce (0.35-liter) can of soda. "The kids in ... to be labeled "high caffeine content" drinks.

As for caffeine, the Food and Drug Administration advises keeping it under 400 milligrams a day. Sodas have several negative effects and when consumed in larger quantities, the high sugar content ...