While low doses are recommended, adult doses of up to 5 milligrams (mg) are not considered ... know how much melatonin you may actually be taking. In the U.S., the Food and Drug Administration ...

Melatonin supplements are not regulated by the US Food and Drug Administration (FDA ... General advice: For most people, a melatonin dose of 0.5 to 5 mg can effectively help them fall asleep.

It comes in various forms, from tablets and capsules to liquid ... which the American Academy of Pediatrics puts at 0.5 to 6 ...