Nutrition Degrees

I know that people do for a master's degree in nutrition during their basic studies and more independent. So when I say that my undergraduate degree in psychology, and my men in power means that it is something for me? I had a DR, or simply a master of food? If I have several master classes a DR? OMG, that's what I want! Psychology and nutrition.whats a RD? Sorry couldnt ur answer questions (A Master will help you prepare a RD, registered dietitian will be used by a separate exam, but enrollment was long time ago you registered with a nutritionist or even a person in the department of Nutrition .your local university.