What is Pyroluria? with Jules Galloway ND A couple of months ago, Jo and her kids were tested for Pyroluria (Pyrolles Disorder), and found their levels were quite high. Pyroluria (pyrrole disorder, kryptopyrrole, kryptopyrroluria, pyrroluria, mauve factor or hemepyrrole) is a common metabolic condition that occurs when pyrrol, a key component of haemoglobin, is overproduced by Listen In