Final answer:
Panera's charged lemonade contains caffeine and is designed as an energy drink. The caffeine content varies by size and product, and it's recommended that teenagers consume caffeine in moderation.
Step-by-step explanation:
The question asks about the caffeine content in Panera's charged lemonade. Panera Bread's charged lemonade does contain caffeine. This beverage is specifically designed to be an energy drink with added caffeine. However, the exact amount of caffeine can vary depending on the size and specific product you choose. It's important to note that consuming large amounts of caffeine can have various health effects, so it's advised to consume it in moderation, especially for teenagers whose daily recommended limit of caffeine is lower compared to adults.