Long term effects of oral vitamin E supplement in type II diabetic patients.

This triple-blind, placebo-controlled clinical trial was conducted to determine the effect of the vitamin E on fasting blood sugar (FBS), serum insulin, and glycated hemoglobin (GHb) in type 11 diabetic patients (NIDDM). A total of 100 patients, with no complications, aged 20-60 years old were chosen from those consulting the Isfahan Social Security Service Diabetes Clinic and divided randomly into two treated and placebo groups, and matched for age, sex, level of education, and occupation. The treated and placebo groups were given vitamin E tablets (200 IU/day) and placebo respectively.