Dietetic (adjective)

1. Relating to dieting and the foods that are appropriate for it.
2. Relating to the scientific study of nutrition and diet.

Origin:

Late 19th century: from greek diaita "a way of life" + -etic.

Examples:

1. She was advised to follow a dietetic diet to control her diabetes.
2. The dietetic department of the hospital provides counseling and education on nutrition.
3. Dietetic foods are specifically formulated to be low in fat and calories.
4. A dietetic consultant can help design a meal plan that meets individual needs.
5. The dietetic program at the university trains students to become registered dietitians.