Spreading the gospel of macrobiotics has taken on a new fervor for Mayumi Nishimura, Madonna's former personal chef. And the 59-year-old's radiant skin is a shining example of the notion that you are what you eat.

The master chef of macrobiotics has turned down offers to cook for other celebrities but still keeps in touch with the American pop star — prepared to work for her when called upon, but even then only for a limited time.

"The reason I left my job with Madonna is because I wanted to reach out to more people and spread macrobiotics. I took a detour to get here, and I'm not going back to working for a single client," Nishimura says.