Evidence supporting the use of: Norwegian Kelp
For the body system: Nails

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Synopsis

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

Norwegian Kelp, derived from seaweed species such as Ascophyllum nodosum, has a long history of use in traditional medicine and as a dietary supplement. Its main nutritional contribution is its high iodine content, alongside trace minerals like calcium, magnesium, and iron. In traditional health systems and folk remedies, kelp and other seaweeds have been consumed to support general health, including skin, hair, and nails. The rationale is that deficiencies in certain minerals, particularly iodine and iron, can contribute to brittle nails or poor nail growth, and thus consuming kelp may help correct such deficiencies in populations with limited dietary diversity.

However, there is limited direct scientific evidence specifically linking Norwegian Kelp supplementation to improved nail health in otherwise healthy individuals. Most modern recommendations for nail health focus on adequate intake of biotin, protein, and general micronutrients, rather than kelp or seaweed specifically. While kelp can be a source of nutrients potentially beneficial for nail strength and growth, there are no robust clinical trials or mechanistic studies directly validating its efficacy for the "Nails" body system. Thus, its use is primarily justified by tradition and general nutritional logic rather than targeted scientific evidence.

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Products containing Norwegian Kelp

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