Total Tox Burden

Fast for 12 hours before testing

Avoid foods high in iodine such as seafood, dairy, keep and selenium (Brazil nuts) 48 hours before collection

Environmental Tox only

Fast for 12 hours prior to collection. No need to avoid foods prior to collection.

,Mycotoxin testing only

Fast for 12 hours. If this is the only toxin test you are doing, you do not need to avoid any foods.