When a food reacts with our body, our immune systems triggers an immune response by releasing antibodies. Foods that cause a release of antibodies are called antigens (or allergens).
There are 2 types of antibodies that our body releases from a food reaction. One is called IgE (immunoglobin E) and the other is called IgG (immunoglobin G).
A food allergy releases IgE antibodies whereas a food sensitivity releases IgG antibodies. Further, a food allergy is often an immediate reaction, whereas a food sensitivity is a delayed reaction. Read More