22 Out of 25 Melatonin Products Were Mislabeled, Study Finds New research found that the gummies contained different amounts of the commonly used sleep aid than advertised. Author: Dani Blum Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)