<unk>  is an inherited disorder in which the body is not able to process the vitamin biotin properly. Biotin, sometimes called vitamin H, is an important water-soluble vitamin that aids in the metabolism of fats, carbohydrates and proteins.  Biotin Deficiency can result in behavioral disorders, lack of coordination, learning disabilities and seizure. Doses of synthetic Biotin can alleviate and sometimes totally arrest such symptoms.
Biotinidase deficiency
Alpha-ketoglutarate dehydrogenase deficiency
Galactose epimerase deficiency
Aldolase A deficiency
Carbamoyl phosphate synthetase I deficiency
ALA dehydratase deficiency
Pyruvate kinase deficiency
Fumarase deficiency