Home > Videos > Diet SOS > Joy’s Diet S.O.S.: What Are “Natural Flavors” Made Of? Joy’s Diet S.O.S.: What Are “Natural Flavors” Made Of? by Joy Bauer, MS, RDN, CDN Oct 25, 2011 (updated Feb 21, 2016) Visit NBCNews.com for breaking news, world news, and news about the economy Diet SOS