eng Science and Education Publishing American Journal of Medical Case Reports 2374-216X 2015-04-12 3 4 117 120 10.12691/ajmcr-3-4-9 AJMCR2015349 article Csaba Tóth 1 Zsófia Clemens clemenszsofia@gmail.com 1 2 Paleomedicina Hungary Ltd., Evolutionary Medicine Working Group, Budapest, H-1026 Hidász u. 3/A, Hungary Gilbert's syndrome (GS) is a common hyperbilirubinaemia syndrome caused by reduced conjugation of serum bilirubin by the liver. Although it is considered as a common and harmless condition not requiring treatment symptoms associated with GS may be unfavorable. Here we present a case of GS where high level of total and direct bilirubin, yellowish discoloration of the sclera as well as associated symptoms including migraine, fatigue and granulomatosus dermatitis were reversed following a shift toward the popular paleolithic and then toward the paleolithic ketogenic diet. http://pubs.sciepub.com/ajmcr/3/4/9/ajmcr-3-4-9.pdf Gilbert's syndrome Paleolithic ketogenic diet hyperbilirubinaemia liver function