New study suggests link between melatonin use and heart disease

Study Findings - Long-term melatonin use linked to higher risk of heart failure and early death in adults with insomnia [1] - Individuals taking melatonin consistently for over a year were twice as likely to develop heart failure [3] - Individuals taking melatonin consistently for over a year were more than three times as likely to be hospitalized for heart failure [3] - 4.6% of melatonin users developed heart failure compared to 2.7% of non-users [3] - 19% of melatonin users were hospitalized for heart failure compared to 6.6% of non-users [3] Expert Opinions & Recommendations - Regular melatonin use may indicate underlying health issues [1] - Consider consulting a doctor if taking melatonin regularly [2] - Occasional melatonin use is not shown to cause harm [4] - More research is needed on melatonin supplements [5] - Over-the-counter availability does not guarantee safety for everyone or long-term use [5]