Correlation between vitamin D levels and hard-to-heal wounds: a systematic review – causal or correlational?

Research suggests a correlation between low vitamin D levels and hard-to-heal wounds. However, it is not clear if the relationship is causal or only correlational. There is also emerging evidence on the use of vitamin D supplementation for the treatment of hard-to-heal wounds. More research is neede …
— Read on pubmed.ncbi.nlm.nih.gov/34120468