A recent study found that vitamin D status was positively associated with DNA methylation in African Americans. DNA methylation is a mechanism used by cells to regulate gene expression. Research has linked abnormal DNA methylation to various adverse health outcomes, such as cancers. The study also found that vitamin D3 supplementation increases DNA methylation in a dose-response manner in African Americans with vitamin D deficiency.
Take a look at the recent article by Medical Xpress regarding this important study.
Click here to read the full study.