Dr. Mehmet Oz weighs in as Mark Hyman, MD presents three animal fats that are regaining popularity, lard, beef tallow and duck fat. See why Dr. Hyman makes the case for grandma’s favorite fat (#lard) and explains why he prefers lard over vegetable shortening!
Watch the video here: http://www.doctoroz.com/episode/best-cooking-oils-weight-loss?video_id=5742425494001