According to analyses from the USA, reports of cardiac arrest are 11 times more frequent in connection with energy products than with other types of food products.

Data from the US indicate that reports of adverse events—such as those involving energy products, stimulants, or caffeine-containing supplements—are 11 times more common than those associated with other food products.

Within this category of products, heart attacks occurred 4.5 times more frequently. Reports of heart palpitations and ventricular disturbances were 4 times more common, while rapid heart rate, chest pain, and fainting occurred 3 times, 3 times, and 2 times more frequently, respectively.

45% of the reported adverse events involving stimulant-based products relate to the heart and circulatory system, with young adults aged 18–34 being the most affected group.