A therapeutic diet is a meal plan that controls the intake of certain nutrients (foods). It is part of the treatment of a medical condition and are normally prescribed by a Physician (Doctor) and planned by a Dietitian.A therapeutic diet is usually a modification of a regular diet. It is modified or tailored to fit the nutrition needs of a particular person. Therapeutic diets are modified for 
(1) Nutrients 
(2) Texture, and/or 
(3) Food allergies