Symptoms and conditions of pyroluria may vary from individual to individual, that's why laboratory tests for plasma zinc, serum copper, ceruloplasmin and HPL level are used to determine the specific needs of the individual. Supplements in its determined dosage should be taken accordingly. Some of them, like Zinc and vitamin B6, are usually taken for the remainder of the individual's life.
References
Pyroluria treatment Wikipedia(Text) CC BY-SA