Evidence supporting the use of: Liver
For the body system: Nails

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Liver has traditionally been used in various cultures as a food to support nail health. This practice is largely based on the high nutrient content of liver, particularly its richness in iron, vitamin A, B vitamins (especially biotin), and other trace minerals. In traditional medicine and folk dietary practices, liver has been consumed to address symptoms of anemia and brittle nails, which are often linked to nutritional deficiencies. However, while these nutrients are essential for healthy nails, direct scientific studies specifically linking liver consumption to improved nail health are limited. Most of the evidence comes from the understanding that deficiencies in certain nutrients (such as iron or biotin) can lead to brittle or unhealthy nails, and liver is an excellent source of these nutrients. Thus, liver is recommended in traditional dietary approaches for supporting nail strength and growth. There is a lack of controlled clinical trials directly supporting liver as a treatment for nail disorders, but its nutrient profile provides a plausible basis for its traditional use. In summary, liver's use for nail support is justified by tradition and nutritional reasoning rather than direct scientific validation.

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