Effects of an Intermittent Reduced Calorie Diet on Crohn's Disease

Inclusion Criteria:

   - Mild to moderate Crohn's disease (CDAI score 151-450)

   - Between the ages of 18-70 (inclusive)

Exclusion Criteria:

   - Women who are pregnant, nursing or expect to be pregnant

   - Individuals allergic to nuts

   - Individuals with a body mass index (BMI) lower than 18

   - Individuals diagnosed with a serious medical condition (unless approved in writing by
   a physician)

   - Individuals who have been severely weakened by a disease or medical procedure

   - Individuals who are taking medication which may not be safely consumed with a calorie
   restricted diet

   - Individuals with diabetes who are taking anti-diabetic drugs associated with risk of
   hypoglycemia

   - Individuals with more than mild-moderate cardiovascular disease or life-threatening
   cancer (as determined by patient's physician) unless approved by a physician

   - Individuals with history of severe cardiac disease (particularly uncompensated
   congestive heart failure NYHA grade 2 or more or LVEF < 40%)

   - Individuals with a history of syncope

   - Individuals with dietary needs incompatible with the IRCD meal plan

   - Individuals with liver or kidney disorders that may be affected by very low glucose
   and protein content of the diet

   - Patients on a calorie restricted diet will also be excluded

   - Patients with relevant prior gastrointestinal surgery and consequences such as short
   bowel syndrome, ostomy of small or large intestine,total colectomy, proctocolectomy,
   ileoanal pouch will be excluded (not excluded are patients with resection of terminal
   ileum, resection of short strictures of the small intestine, hemicolectomy).