Glutathionuria is the presence of glutathione in the urine, and is a rare inborn error of metabolism. The condition has been identified in five patients. ... Found on http://en.wikipedia.org/wiki/Glutathionuria
(gloo″tә-thi″on-u´re-ә) the excretion of excessive amounts of glutathione in the urine, sometimes due to a hereditary enzyme deficiency that can cause mental retardation. Found on http://www.encyclo.co.uk/local/21001