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Sneak Peek: Supermarket Secrets!

Originally aired on 9/28/2012

Dr. Oz reveals the hidden grocery story hazards that will shock even the most seasoned shopper! Food safety inspector Roy Costa blows the whistle on secrets your supermarket doesn't want you to know.

Guests: Roy Costa , Francis Largeman-Roth , Mario Batali , Clinton Kelly , Carla Hall , Michael Symon , Daphne Oz , Gordon Elliott