Aflatoxin M1 is a major metabolite of Aflatoxin B1. Aflatoxin M1 is an orally active mycotoxin produced by Aspergillus flavus and Aspergillus parasiticus. The level of toxicity associated with Aflatoxin is Aflatoxin B1>Aflatoxin M1>Aflatoxin G1>Aflatoxin