The Crouzon syndrome is a genetic disorder which is known as the brachial arch syndrome. It is an autosomal dominant disorder which is one of a rare group of syndromes which is characterized by cranio synostosis or a premature closing of the cranial sutures. The major features are brachiocephaly. occular proptosis. https://parisnaturalfoodes.shop/product-category/l-leucine-powder/