Registered Dietitians provide the integration and application of scientific principles of food, nutrition, biochemistry, physiology, management and behavioral and social

Sciences in achieving and maintaining health through the life cycle and in the treatment of disease methods of practice includes, but are not limited to, nutritional assessment, development, implementation and evaluation of nutritional care plans, nutritional counseling and education and the development and administration standards and systems.

Dietitians use their knowledge of the principles of nutrition to help people develop healthy eating habits. Professional trained in the science of nutrition can scientifically evaluate an individual's diet.