BY: Dr. Liz Walker
Get the Facts: Vitamin D

What it is and how the body uses it

Vitamin D3 (cholecalciferol) is a hormone produced in the skin. Vitamin D targets more than 200 human genes. The body uses vitamin D for bone health, immunity support, mood among so many others. Used properly, Vitamin D significantly reduces mortality from all causes.

How Vitamin D can help

Maintaining appropriate levels can help slow the aging process. Low Vitamin D levels are associated with Multiple Sclerosis (MS), lower immune function and increased risk to chronic fatigue syndrome and fibromyalgia. There are many other conditions related to abnormal values of vitamin D such as low testosterone, abnormal insulin function, IBS/IBD, Rheumatoid Arthritis (RA), osteoporosis and osteopenia, and neuralgia among many other conditions.

Sources of vitamin D

Vitamin D is a fat-soluble vitamin requiring bile for absorption, and occurs naturally in animal meats and fish, egg yolks, cod liver oil and dairy or by exposure to sunlight. Fruits and Vegetables are usually low in vitamin D and not an adequate source, except mushrooms. If supplementing the D3 form is preferred and must be taken with food if using a supplement.

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