Introduction: Metabolic syndrome, defined as a combination of certain series of problems metabolic disorders, is a prevalent disease, significantly more common among women. One way to prevent this disease is to control the diet, which is affected by various intrapersonal, interpersonal and social factors. This research of aims at determining the association between patient consumption of macronutrients influencing metabolic syndrome and the perceived social support of their husbands. Materials and Methods: This is a cross sectional study, conducted using the correlation method on 329 patients, referred to medical centers of the oil industry. Information on perceived social support was measured by a researcher made, 24 hour questionnaire, with confirmed reliability and validity, to asserss nutritional behavior for three days. Data was analyzed by N4, SPSS and AMOS for the model constructed, using the least extended squares. Results: The averages of daily intakes of energy, protein, carbohydrate and fat were 2512.37, 70.95, 420 and 61.61 grams respectively. The average of perceived social support was 65.48. Correlation coefficient showed a significantly inverse relationship between perceived social support and macronutrients received in these women. The hight correlation between social support and fat was observed (β= -0.606). Conclusion: Intakes of energy, fat, carbohydrate and protein were higher than RDA and average levels of perceived social support, showing that social support is an effective framework to recognize and predict commitment level of nutritional self care behavior among patients suffering from metabolic syndrome.