Dr Weinstock has used low dose naltrexone (LDN) to treat GI disorders including ulcerative colitis, Crohn's disease, SIBO, IBS and constipation in over 260 patients since 2008. To learn more about this compound which improves the immune system please see:

Dr. Weinstock's preliminary research was published in 2010 and a manuscript was recently submitted on the efficacy of LDN in his ulcerative colitis and Crohn's disease patients.