Energy drinks line store shelves everywhere, right beside bottled water and soda. Most shoppers assume these cans are harmless daily pick-me-ups.
A new study suggests that regular consumption might carry real cardiovascular dangers. Researchers examined over 28,000 adverse-event reports submitted to the FDA from 2017 through 2025. Products containing caffeine and stimulants appeared far more often in reports of severe heart trouble.
The findings will be presented at the American Heart Association’s Scientific Sessions 2026 in Chicago.
The numbers reveal striking patterns. Cardiac arrest was reported about 11 times more often for caffeine and stimulant products than for other goods.
Reports involving energy drinks and stimulant supplements were 4.5 times more likely to cite heart attacks. They were also four times more likely to report ventricular arrhythmias or palpitations. Chest pain, fainting, and elevated heart rates followed similar patterns.
Crucially, roughly 45% of these serious reports involved adults aged 18 to 34. This demographic is rarely viewed as high-risk for cardiovascular crises.
Energy drink sales have surged past $20 billion annually. Some cans contain three times more caffeine per ounce than brewed coffee. Certain workout supplements pack twelve times that amount.
Because the FDA regulates these beverages as foods or supplements, they bypass strict medication testing. A person can easily exceed the recommended 400-milligram daily caffeine limit with just two drinks.
Lead author Sai Samayamanthula urged medical providers to query young patients experiencing palpitations about their supplement habits. Independent experts caution that voluntary reports cannot definitively establish direct cause-and-effect.
Still, the data highlights clear warning signs. Young consumers should track daily stimulant intake carefully to protect their hearts.
Sources Used:
- American Heart Association Scientific Sessions 2026: https://professional.heart.org/en/meetings/scientific-sessions
- U.S. Food and Drug Administration (FDA) Center for Food Safety and Applied Nutrition Adverse Event Reporting System (CAERS): https://www.fda.gov/food/compliance-enforcement-food/cfsan-adverse-event-reporting-system-caers
- American Heart Association Scientific Statement on Caffeine and Cardiovascular Disease (2026): https://www.heart.org
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