Patch Please ad: Melatonin is a hormone, not candy

Your body makes melatonin on its own, in tiny amounts. It's a hormone. In the US it's sold as fruity gummies, often 5 to 10 mg per serving. MIT researchers found 0.3 mg was enough to bring levels back to normal nighttime range. Read more: 7 reasons you still wake up at 3am on melatonin.