This is, of course, anecdotal. For 20 years or so I had recurring bouts of cellulitis once or twice every year. This is a condition with painful infections in the skin and the underlying layers ... usually in the calf.
It was found in a blood test that I was deficient in vitamin D. I started taking Vitamin D3 supplements and even though my blood tests Now show that I was no longer deficient, I continued taking the supplements of D3.
For The Last 5 Years I've not had any bouts of cellulitis or any the other infections I often had before.
For this one purpose I swear by vitamin D3 and this benefit of fighting off infections.
Any other benifits claimed I can not support.
Edited by *JB*, 25 January 2019 - 06:18 PM.