New research linked long-term melatonin use with heart failure risk. However, more research is needed to validate the ...

Researchers used a database of more than 1,30,000 adults with chronic insomnia. Those who had prescribed melatonin in their ...

Long-term melatonin was use associated with heart failure, according to a new study. But there's more to the story.

Magnesium and melatonin are commonly used as sleep aids, though their effects are generally modest. Learn how they work and which one may be best for you.

When you’re struggling with sleep, melatonin supplements often seem like a simple solution. But finding the right dosage isn’t always as straightforward as you might think. If you’ve ever wondered, ...

“Melatonin supplements may not be as harmless as commonly assumed. If our study is confirmed, this could affect how doctors ...

Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. From changing seasons to ...

Long-term use of melatonin supplements for sleep may be linked to a greater risk for heart failure, a recent study suggests.

Melatonin is a naturally occurring hormone produced by a gland in the brain. It regulates your circadian rhythm (the body's natural 24-hour internal clock) and helps with sleep. This hormone may also ...

Heatstroke was induced by exposing anesthetized rats to heat stress (36 °C, 100 min). Rats were treated with vehicle or melatonin (0.2, 1, 5 mg/kg) by intravenous administration 100 min after the ...