After adjusting for age, residential area, education level, household income, smoking status, drinking status, physical activity, energy intake (kcal/day), white meat (g/day), fish (g/day), vegetable (g/day), fruit (g/day), and dairy (g/day), a significant association between red and processed meat consumption (serving/day) and APOA5 rs662799 polymorphism and the incidence of MetS was observed in women. This evidence concerns the gene APOA5 and metabolic syndrome.