A. Omega-3 fatty acids (fish oils)
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B1. Butterworth AD, Thomas AG, et al. Probiotics for induction of remission in Crohn’s disease. Cochrane Database Syst Rev. 2008 Jul 16;(3):CD006634.
B2. Rahimi R, Nikfar S, Rahimi F, Elahi B, Derakhshani S, Vafaie M, Abdollahi M. A meta-analysis on the efficacy of probiotics for maintenance of remission and prevention of clinical and endoscopic relapse in Crohn's disease. Dig Dis Sci. 2008 Sep;53(9):2524-31.
B3. Shen J, Zuo ZX, et al. Effect of probiotics on inducing remission and maintaining therapy in ulcerative colitis, Crohn’s disease, and pouchitis: meta-analysis of randomized controlled trials. Inflamm Bowel Dis. 2014 Jan;20(1):21-35.