"And it tastes good," Dr. Oz says.
Kris says this healthy lifestyle is far removed from her old self. "I did martinis before, now I do green drinks," she says. "I knew when I was diagnosed with cancer the only thing I could control was what I ate, what I drank and what I would think. I thought the best place to start was with what I put in my mouth. It's one of the many reasons I think I feel better."