Nutrition The Core Fitness resident nutritionist is a professional, 'Certified Metabolic Typing Advisor' (CMTA) from the 'Metabolic Typing Education Center' (MTEC) in La Jolla, CA. Your Core Fitness nutrition program will utilize only proven methods, such as blood and metabolic typing, to help fashion a personalized diet plan for greater success while dieting. The development of diet plans according to one's own individual body chemistry, supplemented, of course, by exercise and supportive coaching, is based on the philosophy that such programs provide you not only with the tools you need but the knowledge required to begin and sustain proper changes in eating habits, fostering a happier, healthier lifestyle.