We get Vitamin D after our skin absorbs sunlight and our kidneys and liver convert it to the active form. Food sources are fish, dairy, and fortified cereals and orange juice.
I’ve gotten in the habit of testing my patient’s vitamin D levels anytime we do bloodwork. Sometimes even my most sun-loving patients are shocked to see they are Vitamin D deficient.
After supplementing with *1,000-8,000 IU/day for a few months people see a reduction in a variety of symptoms. Depression and frequent infections are a couple of the most common symptoms. Vitamin D deficiency is also linked to autoimmune diseases and cancer.
This article explains why Vitamin D is more effective than the flu vaccine at preventing flus.
*Dosing vitamin D is not a “one-size-fits-all” approach as some people need very high doses that can be harmful for other people. Ask your N.D. what dose may be appropriate for you.*