CETP and metabolic syndrome: Regarding the magnitude of gene-diet interactions in the prevention or treatment of dyslipidemia in people with genetic risk factors and the increasing evidence linking CETP SNPs and dietary interactions, this systematic review aimed to document and discuss all studies investigating the effect of dietary modulation on the association of CETP gene and metabolic characteristics to summarize the scientific evidence available for individualized nutrition recommendations and to clarify how these interactions can be useful in updating public guidelines.