Go to the supplement aisle of almost any store in the US and you'll find melatonin, a synthetic hormone, marketed as an effective natural sleep aid, even for children! But is melatonin actually safe to use? Studies say ...Read the transcript.Check out all the Quick and Dirty Tips shows.Subscribe to the newsletter for regular updates.Join the conversation on Facebook and Twitter.Links:https://www.quickanddirtytips.com/education/science/is-melatonin-safehttps://www.quickanddirtytips.com/podcastshttps://www.quickanddirtytips.com/subscribehttps://www.facebook.com/qdteinsteinhttps://twitter.com/qdteinstein