How to Use Vitamin D to Protect Your Immune System from Viruses with Dr. Lucinda Messer

Vitamin D can be used to not only protect against several diseases like cancer but also to fight cancer as well. Dr. Messer will discuss how vitamin D works in the body, how to increase your serum levels, why it's so important to maintain higher levels than the government is recommending, which tests to request and so much more useful and vital information for your body's health and well-being.