Every time you step into the sunlight, your body soaks up vitamin D. Long considered a must for building strong bones and helping to prevent osteoporosis, vitamin D is now newly appreciated for its potential role in other types of disease prevention. Recent research has suggested that vitamin D deficiencies are linked to heart disease, colon cancer, multiple sclerosis and even depression.

—Charles Noe
Reviewed by: Timothy Yarboro, M.D.

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