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New study: You’re not always getting what you think when you take melatonin for sleep

By Lauren Gilger
Published: Tuesday, May 2, 2023 - 1:30pm
Updated: Tuesday, May 2, 2023 - 3:00pm

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Michael Grandner in a white lab coat.
Michael Grandner
Michael Grandner

Sleep is something of a holy grail in modern American life. Millions of Americans take sleep aids, but those looking for a more natural approach often take the supplement melatonin.

However, a new study of the popular gummy form of the supplement shows you can’t always count on what’s on the label. Like other supplements, researchers found 22 out of 25 melatonin gummies contained sometimes vastly different amounts of melatonin than their labels said. 

This is why consumers should be aware of how melatonin works because it's a lot less like a sleeping pill than one might think.

The Show spoke with sleep expert Michael Grandner, director of the sleep & health research program at University of Arizona College of Medicine, on the broader implications of melatonin.

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