Millions of people believe melatonin is a miracle sleep aid, but does it sabotage more than just a good night's sleep? Dr. Oz learns the shocking truth about this popular supplement. In this sneak peek, sleep expert Dr. Michael Breus explains why he believes melatonin is damaging your sleep.

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.