Selenomethionine has been used successfully as adjunctive treatment for some type of cancer, most viral problems, HIV, EBV, CMV, hepatitis, etc. and cataracts. According to Dr. Richard Olree, Minerals for the Genetic Code, it will help to activate SIRT-1 and strengthen the major cancer preventive genes. Also, according to Dr. Olree other forms of selenium will not do this. Patients on TPN, patients with Crohn’s disease and other G.I. inflammatory problems and patients with cardiac problems will benefit from selenomethionine supplementation.