Tailored Anti-Inflammatory American Diet for Patients With Crohn's Disease

Inclusion Criteria: * Documented diagnosis with Crohn's Disease from medical records. * Ages 16-75 * Mild to moderately active CD disease, defined by one of the following criteria: Crohn's disease activity index (CDAI) 150-250 (mild-to-moderate only active disease) AND presence of active inflammation either by: fecal calprotectin \>150mg/dl. or radiologic findings of active ileal and/or colonic disease, or endoscopic findings showing active ileal and/or colonic disease within 4 weeks of baseline -On stable medications for their disease as or 3 months if medication is not listed Exclusion Criteria: * Diagnosis of Ulcerative Colitis (UC). * Prior J pouch or diversion * Recent inflammatory bowel disease (IBD) related hospitalizations in the last 4 weeks * Clostridium difficile or enteric infections in the last 4 weeks * Use of probiotics in the last 4 weeks * Patients following the specific carbohydrate diet or Mediterranean diet or anti-inflammatory diet * Active cancer or conditions limiting their ability to follow a diet (heart failure, end stage renal disease) * Pregnancy, breastfeeding or planning to become pregnant during study period * Use of Total Parenteral Nutrition at the time of screening and during the study period * Other significant or life-threatening co-morbidities * The need for antibiotic use during the study period * Adults unable to consent * Ages \< 16 and \> 75 years old * Prisoners * Crohn's specific complicated disease including active Stenotic (stricturing, B2) disease within the past 12 months, or Internal penetrating (B3) disease, or Draining perianal fistula, or Prior bowel resection * Patients with concomitant Celiac disease