IgG immunoglobulins within the body are vital to responding to viral infections, yet foods inadvertently eaten daily can be compromising your immune system and the ability of your patients to stay and be well. We will discuss how testing IgG food sensitivities can less inflammation by lessening the activation of part of the immune system called “Complement”. Also, the rationale on rotation diets and cross reactivity between what we breathe and eat will be discussed.