This study was conducted in addition to the previously mentioned vitamin D study by Indian, Australian, and British researchers. In the present study, patients who previously were included in the placebo group received a vitamin D supplement. They received two oral doses of vitamin D at 8 weeks intervals. Subsequently, the same parameters as in the first trial were measured after 16 weeks. 31 subjects completed this phase of the study. This trial showed, among others, that vitamin D levels significantly increased, blood vessel function significantly improved, and measured parameters, like inflammation markers, beneficially changed after vitamin D supplementation. These results confirm previous findings that vitamin D supplementation can improve vascular function in this group of patients. More details can be found in the study.
Kumar V. et al.