The effects of vitamin D supplementation on wound healing and metabolic status in patients with diabetic foot ulcer: A randomized, double-blind, placebo-controlled trial

This study was conducted to evaluate the effects of vitamin D supplementation on wound healing and metabolic status in patients with diabetic foot ulcer (DFU). This randomized, double-blind, placebo-controlled trial was performed among 60 patients with grade 3 DFU according to "Wagner–Meggitt’s" criteria. Participants were randomly divided into two groups (each 30 participants) and received either 50,000 IU vitamin D supplements every 2 weeks...