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Biotin is a water-soluble B vitamin that is an essential co-factor for a number of metabolic carboxylation reactions, including carbohydrate, fat and protein metabolism.
Recent studies have expanded biotin's metabolic role, claiming that the vitamin maintains healthy genetic expression of the many enzymes for which it is a cofactor.
Clinical studies indicate that biotin may adjust the cellular arrangement of the nail bed, helping to reinforce the keratin structure, promote strength and thickness, and reduce splitting.
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