5-hour Energy shots may have 200-300 milligrams of caffeine in varying sizes from (1.9 ounces-up), while Starbucks Triple Shot Energy drinks can contain 225 mg of caffeine per 15 ounces.

Which energy drink has the most caffeine? There is a three-way tie for the top of the caffeine list – Celcius Heat, Bang and Rockstar Xdurance, all with 300 mg of caffeine per can.

Caffeinated energy drinks and mixes have to meet Canada’s food safety standards, which include: Caffeine level. The maximum allowed in Canada is 180mg in a single-serving.

A caffeinated energy drink being promoted by American social media influencers is set to be recalled in Canada. Skip to main content. Open Main Menu Navigation.