A couple of excerpts follow from an interesting article reinforcing the importance of Vitamin D in immune health, but also in our resistance to microbial infections like candida overgrowth.
"One of vitamin D’s role in the body is to produce an anti-microbial peptide called cathelicidin. Cathelicidin is a critical component to the body’s ability to fight off infections, such as Candida.
In the present study, researchers measured vitamin D levels among patients with candidiasis and found a high prevalence of vitamin D deficiency in this patient population.
Here is a link to the study.