Jolt Cola, the iconic 1980s soda, is making a powerful return in 2025 with double the caffeine and zero sugar. Get all the details about its comeback.
Both Diet Coke and Coca-Cola Zero Sugar replace ... value,” Zenker adds. “The caffeine content of both is very comparable, ...
Both Diet Coke and Coke Zero Sugar contain caffeine unless you opt for their caffeine-free versions. Diet Coke has 46 milligrams of caffeine per 12-ounce can, compared to Coke Zero Sugar's 34 ...