Dr. Guilford is a clinician and researcher.  A list of his publications and research can be found at  His education includes Johns Hopkins University for his undergraduate degree, the University of Texas Medical Branch for medical school, 2 years of general surgery at Johns Hopkins Hospital, an ENT surgery residency at the University of Michigan and Board Certification in ENT.

Dr. Guilford has been in clinical practice since 1979, has been using complementary medicine in his practice since1985 and was the director of a clinical laboratory specializing in in-vitro allergy and viral immunology testing (1982 -1992).  Dr. Guilford’s study of the role that glutathione plays in the basic mechanism of many diseases led to his formulating a liposome encapsulation of reduced glutathione, Readisorb® Glutathione (Research on liposomal glutathione). Dr. Guilford’s publications include articles on the neuroprotective qualities of liposomal glutathione, the detection of mycotoxins in mold-exposed individuals, deficient glutathione in mycotoxin-related illness, a review of glutathione and atherosclerosis and immune responses in individuals with low glutathione. A review of deficient glutathione in common ENT conditions was published Sept.  2016.  His publications are listed at