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Study aim
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Effect of selenium supplementation on glucose homeostasis and lipid profile in women with metabolic syndrome
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Design
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In this study, 70 women with metabolic syndrome referred to comprehensive health care centers in Kiar city were randomly divided into two groups: selenium and placebo
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Settings and conduct
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This double-blind clinical trial was conducted at the Kyar County Comprehensive Health Service Center. At first, the demographic questionnaire was filled out and the patients were asked to go to the laboratory for blood tests and then the necessary tests were taken.
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Participants/Inclusion and exclusion criteria
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Those with metabolic syndrome were chosen who had three of the following criteria to be diagnosed as metabolic syndrome: abnormal fasting blood glucose (equal to or greater than 110 mg/dl), dyslipidemia (triglyceride greater than or equal to 150 mg/dl or HDL cholesterol less than 50 mg/dl), and abdominal obesity (waist circumference in women > 88 cm), based on the indices presented in ATP III. The inclusion criteria were no consumption of antioxidant supplements, no underlying diseases including kidney diseases, hypothyroidism, digestive diseases, dyspepsia, etc., not being in menopause, not having weight loss diet over the last six months, not taking any drugs affecting the level of blood lipids, no pregnancy and breast-feeding. On the other hand, no willingness to continue the cooperation, pregnancy, not adhering to the study protocol, developing special diseases during the study were among the exclusion criteria. Note that patients taking insulin were also excluded.
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Intervention groups
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In the present study, the intervention group received 200 microgram selenium capsule and the placebo group received dextrose capsule in the same form and color.
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Main outcome variables
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FBS , Insulin,HOMA-IR, QUICKI, TRIGLYCERID, HDL cholestrol, LDL cholestrol, total cholestrol