Alkaptonuria Society

The aim of the Alkaptonuria Society (AS) is to create an information and support network for people diagnosed with alkaptonuria. This is an inborn error of metabolism due to a deficiency of an enzyme that results in urine that turns dark upon standing, progressive joint destruction, and pigment deposition in connective tissues. The Alkaptonuria Society provides news and information on its web site, and raises funds for research on this rare disorder.