This energy drink has 43 kcal and 10.2 g sugar per 100 g. A 500 ml can packs ~215 kcal. A randomized crossover RCT in 34 adults (Shah et al., J Am Heart Assoc 2019) found energy drinks raised QTc by ~18 ms and elevated blood pressure.
How should I track Energy drink, Red Bull?
Liquid calories from Energy drink, Red Bull are easy to overlook because drinks do not trigger the same fullness signals as solid food. A meta-analysis (Wehling & Lusher, Am J Clin Nutr 2021) confirmed that people underreport beverage intake more than solid food. Most people pour 30–50% more than the label serving size without realizing it. Use a kitchen scale to weigh your glass or bottle once — you will know your exact pour going forward. This one calibration step can save you from hundreds of untracked calories per week.