Published • loading... • Updated
What to know about melatonin supplements and heart health risks
- This past week, the American Heart Association announced a preliminary research abstract linking long-term melatonin use in adults with insomnia to higher heart failure diagnoses and hospitalizations.
- Using prescription fills as the marker, researchers compared five years of electronic health records for adults with insomnia who had long-term melatonin use, noting prescription evidence may misclassify over-the-counter users.
- Analysis showed melatonin users faced nearly 3.5 times the heart-failure hospitalizations, with hospitalization rates of 19.0% versus 6.6% for nonusers.
- Given the study's observational design, Ekenedilichukwu Nnadi, M.D., said if confirmed it could affect how doctors counsel patients, while the American Heart Association and experts urged more research.
- Contradicting prior research suggesting benefits, the study will be presented at the American Heart Association Scientific Sessions 2025, and heart failure affects 6.7 million adults in the U.S., noted media including The Washington Post.
Insights by Ground AI
60 Articles
60 Articles
Melatonin is the most popular sleep aid. But now, a yet-to-be-published study reveals health risks. Who is affected?
·Berlin, Germany
Read Full ArticleStudy suggests link between melatonin use and increased heart failure risk
DALLAS, Texas (WTVO) — A new study suggests there might be a link between the use of the sleep aid melatonin and an increased risk of heart failure. According to a new study by the American Heart Association, a review of 5 years of health records revealed that adults with insomnia who had used melatonin for at least a year had a greater risk of being diagnosed with heart failure, requiring hospitalization for the condition, or dying from any cau…
·Rockford, United States
Read Full ArticleCoverage Details
Total News Sources60
Leaning Left7Leaning Right3Center34Last UpdatedBias Distribution77% Center
Bias Distribution
- 77% of the sources are Center
77% Center
L 16%
C 77%
Factuality
To view factuality data please Upgrade to Premium



















