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Information on the latest vitamin D news and research.

Find out more information on deficiency, supplementation, sun exposure, and how vitamin D relates to your health.

Vitamin D may help prevent gum disease

Periodontitis is a common complication associated with diabetes mellitus. It causes inflammation and infection of the tissue surrounding the teeth. Recent research reports that vitamin D protects against periodontitis in diabetic mice.

Periodontitis is the most common cause of tooth loss in adults. According to data from the Centers for Disease Control and Prevention, 47% of American adults aged 30 and over has periodontal disease. Among adults over 65 years, prevalence rates increase to 70.1 percent.

A study led by researchers from the University in Chengdu, China, reports that diabetic mice supplemented with vitamin D exhibited decreased bone loss and inflammation compared with diabetic mice not supplemented with vitamin D.

The researchers conclude,

“Our findings should have important implications for clinical therapy of diabetic periodontitis.”


Li H, et al. 25-hydroxyvitamin D3 amerliorates periodontitis by modulating expression of inflammation-associated factors in diabetic mice. Steroids. November 5, 2012.

CDC: Half of American adults have periodontal disease. American Academy of Periodontology. August 2012.