Answer: dietetics

AnswerCrossword Clue
DIETETICSNutritionist's science.
DIETETICSFood science
DIETETICSNutrition science
DIETETICSScience of nutrition
dieteticsThe branch of knowledge concerned with the diet and its effects on health, esp. with the practical application of a scientific understanding of nutrition
dieteticsthat part of the medical or hygienic art which relates to diet or food