The Panera Charged Lemonade caffeine content reportedly ranges from 260 milligrams in 20 fluid ounces (a regular-size drink) to 390 milligrams in 30 fluid ounces (a large-size drink).
The lawsuit claimed, "At 30 fluid ounces, Panera Charged Lemonade exceeds the combined contents of 12 fluid ounces of Red Bull (114 milligrams caffeine) and 16 fluid ounces of Monster Energy Drink (160 milligrams caffeine.)"