The aim of this study is the comparision between the effects of vitamin D or placebo supplementation for 2 months in serum level of thioredoxin, TBP-2 and thioredoxin reductase activity in patients with type 2 diabetes
Inclusion Criteria:
literate, willingness to participation, diabetic patients 30- 60 years old, body mass index in the range 18.5- 35, avoidance of dietary supplements, vitamins and herbal products at least 3 months before and throughout the intervention -
Exclusion Criteria:
people who have used vitamin D supplements in last 3 months, having chronic renal disease , GI disease, Hepatobilliary diseases, hematological disorders, hypo- or hyperthyroidism, treatment with orlistat or sibutramine for weight loss, pregnancy and lactation, treatment with insulin or Thiazolidinediones, Smokers
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