FoodPrint Vegetarian 160+The CNS FoodPrint Vegetarian 160+ service utilises state of the art immunoassay microarray technology to detect food specific IgG antibodies to more than 160 different non animal meat foods. Frequently Asked Questions What is an IgG? IgG stands for Immunoglobulin (type G). Immunoglobulins are a class of proteins that function as antibodies produced by the immune system in response to foreign bodies entering the body. There are several different types