Evidence supporting the use of: Bladderwrack (Kelp)
For the body system: Nails

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Bladderwrack (a type of sea kelp) is traditionally used in herbal medicine for supporting overall health, including the health of skin, hair, and nails. The rationale is largely based on its high iodine and mineral content, particularly iodine, calcium, magnesium, and trace minerals that are important for thyroid function and general metabolic health. Since healthy nails are often associated with good nutrition and adequate mineral intake, bladderwrack has been incorporated into traditional remedies aimed at strengthening brittle or weak nails.

However, direct scientific validation for bladderwrack specifically improving nail health is lacking. No robust clinical trials have demonstrated a clear benefit for nail strength, growth, or appearance from bladderwrack supplementation. The evidence is mostly anecdotal or inferred from its nutritional profile, not from controlled studies on nail outcomes. Therefore, while its use is rooted in tradition and based on the notion that nutrient-rich foods and herbs can support various body systems, the direct link between bladderwrack and nail health remains unproven by science.

In summary, the use of bladderwrack for nail support comes from traditional herbal practices and assumptions about its mineral content, but scientific evidence for its efficacy in this specific area is minimal.

More about Bladderwrack (Kelp)
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Products containing Bladderwrack (Kelp)

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