Vitamin D and Immune System

Lower vitamin D is also associated with lower immune readiness of the body and therefore patients are more easily infected and they can more easily end up having lethal conditions such as sepsis.

But besides these consequences of vitamin D deficiency, the causes of it, the underlying causes for vitamin D deficiency can be very dangerous and lethal as well.

Vitamin D production depends on multiple organs and that includes skin that gets some light exposure, but it also includes gastrointestinal tract and besides that also liver and kidneys.