Kim Yawitz, RDN, is a registered dietitian and gym owner in St. Louis, Mo. In addition to coaching nutrition and fitness clients individually and in small groups, Kim has been featured as a nutrition expert for Men's Health, Food Network, Elite Daily, FOX News, Readers' Digest, SHAPE, MyFitnessPal, Elite Daily, Everyday Health, Vitamin Shoppe, Martha Stewart, Healthline, and Eat This, Not That!