Evidence supporting the use of: Vitamin D3
For the body system: Teeth

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Vitamin D3 (cholecalciferol) is scientifically validated as important for supporting the health of teeth. Its primary role is to facilitate the absorption of calcium and phosphate from the gut, minerals that are crucial for the formation and maintenance of healthy tooth enamel and bone. Numerous studies have shown that vitamin D deficiency is associated with an increased risk of dental caries (cavities), delayed tooth eruption, and periodontal (gum) disease. Supplementation with vitamin D3 has been shown to help improve oral health outcomes, particularly in populations at risk for deficiency.

Historically, the link between vitamin D and dental health was recognized in early 20th-century research when children with rickets (a disease caused by vitamin D deficiency) were observed to have poor tooth mineralization and increased dental decay. Modern clinical studies support these findings, demonstrating that adequate vitamin D status reduces the risk of tooth decay and promotes remineralization of the enamel.

Professional dental associations and health organizations, such as the American Dental Association and the World Health Organization, acknowledge the role of vitamin D in oral and dental health. While vitamin D supplementation alone is not a substitute for good oral hygiene or regular dental care, it is an evidence-based adjunct to support overall tooth and bone health, especially in individuals with low sunlight exposure or dietary intake.

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