Joy Bauer, Jenna Wolfe check in on ’16 by 16’ challenge

05:40

Three viewers have taken on TODAY’s “16 by 16” challenge to get trim and healthy by the beginning of 2016. Nutritionist Joy Bauer checks in on their progress and shares an essential 16-item shopping list, and Jenna Wolfe reveals a 16-minute workout routine that will enable you to get in shape right along with them.