Weight Loss Questions Answered on The Doctors’ 'Fast Burn Challenge!'

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Playing Weight Loss Questions Answered on The Doctors’ 'Fast Burn Challenge!'

The Doctors’ Fast Burn Challenge participants have burning questions about diet from protein shakes to how many cups of coffee you should be drinking a day. Dr. Ian Smith shares what drinks to avoid, and whether workouts are better while fasting or after a meal.

How Much Weight Have the 7 Fast Burn Challenge Participants Lost?