Nature Made is one of the best-known supplement brands out there. This melatonin supplement contains 5 mg of melatonin and 80 mg of calcium. One bottle will help you sleep for 90 days.

And most didn't line up with what was labeled, Cohen and his team found. Only three of the 25 gummy products had a melatonin amount within 10% of the labeled quantity. There is no established ...

Melatonin can help some sleep a little better, Consumer Reports says, but the benefits are usually small. This sleep hormone may not be as effective or safe as you think.