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Oz Investigates: The New Zero-Calorie Foods Infiltrating Your Supermarket

Originally aired on 10/26/2017

Are calorie-free foods a diet saver or too good to be true? Nutritionist JJ Smith investigates and reveals how calories are calculated.

Guests: JJ Smith , Rhenotha Whitaker , Dr. Ross Klein , Tia Brown , Bree Smith , Maureen Smith , Dolly Parton