Research Links Energy Drinks and Stimulants to Increased Cardiac Arrest Risk

Preliminary research presented at the American Heart Association’s Scientific Sessions 2026 indicates that caffeinated energy drinks and stimulant supplements are linked to serious cardiovascular events more frequently than other products.

Study Findings

Researchers analyzed 28,345 adverse-event reports submitted to the FDA between 2017 and 2025. The study found that cardiac arrest was reported approximately 11 times more often in connection with caffeine- and stimulant-containing products compared to products without those ingredients.

Other reported associations included:

• Heart attacks were about 4.5 times more likely in reports involving energy drinks and supplements.
• Ventricular arrhythmias or heart palpitations were reported four times more often.
• Elevated heart rate was reported nearly 3 times more often.
• Chest pain was reported 2.71 times more often.
• Fainting was reported about 2 times more often.

According to the study authors, approximately 45% of reports linking these products to cardiovascular events involved adults between the ages of 18 and 34.

Research Limitations

Study author Sai Samayamanthula, a medical student at the University of Virginia School of Medicine, noted that while regular consumption may lead individuals to exceed recommended daily caffeine limits, "the study does not prove that caffeine products cause these events, because other factors may have influenced the results found in this analysis," according to Gregory M. Marcus, M.D., M.A.S., FAHA, who was not involved in the study.

Researchers emphasized that the analysis design only identified associations within voluntarily self-reported data. Because these products are regulated as foods or dietary supplements rather than medications, they do not undergo the same premarket safety testing required for medications.

Context of Consumption

Sales of caffeinated energy drinks reached over $20 billion in 2024. Some energy drinks contain as much as three times more caffeine per fluid ounce than brewed coffee, while some pre-workout supplements contain more than 12 times the amount of caffeine per fluid ounce, according to a 2026 American Heart Association Scientific Statement.

Researchers noted that the high frequency of reports among young adults may be due to several factors, including the frequency of consumption, consumption patterns such as mixing products with alcohol or drugs, or undiagnosed heart conditions.

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Sources

• suffolktimes.timesreview.com: LIVEBLOG: Palumbo on brink of defeat, LaLota declares victory amid blue tsunami - The Suffolk Times
• newsroom.heart.org: Energy drinks, stimulant products linked to cardiac arrest, heart attack in young adults | American Heart Association

This article was drafted with AI assistance and checked against the sources above. Company claims are reported as claims. Cover image is AI-generated.