- Common Supplement Shows Concerning Link to Heart Failure ScienceAlert
- Can Melatonin Cause Heart Failure? What to Know About Claims of Health Risks. The New York Times
- Long-term use of melatonin supplements to support sleep may have negative health effects www.heart.org
- New study links melatonin and heart failure, but experts say don’t panic yet The Washington Post
- Heart Health: Long-Term Melatonin Use Linked to Cardiovascular Risk Healthline