Evidence supporting the use of: Vitamin C (not specified)
For the body system: Teeth

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Synopsis

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

Vitamin C (ascorbic acid) plays a critical role in oral and dental health, supported by robust scientific evidence. Its primary function related to the teeth is through its involvement in collagen synthesis, which is essential for maintaining the integrity of gums (gingiva), periodontal ligament, and other connective tissues that support the teeth. A deficiency in vitamin C leads to weakened collagen, resulting in gingival swelling, bleeding, and eventually scurvy—a condition historically known for causing gum disease and tooth loss.

Numerous clinical and epidemiological studies have demonstrated that adequate vitamin C intake reduces the risk of gum disease (gingivitis and periodontitis), which can indirectly support tooth retention and overall oral health. For example, research published in the Journal of Periodontology and other peer-reviewed outlets has shown that individuals with low vitamin C intake are at increased risk for periodontal disease. This is recognized by dental and medical organizations, including the American Dental Association (ADA).

While vitamin C does not directly strengthen tooth enamel or prevent cavities, its role in maintaining healthy gums and connective tissues makes it important for supporting the structures that hold teeth in place. Therefore, vitamin C is scientifically validated as supportive for the teeth body system, primarily through its impact on gum and periodontal health rather than the tooth structure itself.

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