Important risk factors for a heart attack are previous cardiovascular diseases, obesity, high blood pressure, lack of physical activity and an unhealthy lifestyle. The moderate intake of caffeine has no adverse impact on the human heart. The ingredients of energy drinks are labelled on the product. They are all approved food ingredients by authorities such as the EFSA and thus are safe to consume. Energy drinks contain the same amount of caffeine as also present in a cup of home-brewed filter coffee.